diff --git a/experiments/duckdb_census_of_population.ipynb b/experiments/duckdb_census_of_population.ipynb
index e9881f6..4387db4 100644
--- a/experiments/duckdb_census_of_population.ipynb
+++ b/experiments/duckdb_census_of_population.ipynb
@@ -2,28 +2,19 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 36,
+   "execution_count": 40,
    "id": "56ac906e",
    "metadata": {},
    "outputs": [],
    "source": [
-    "import buckaroo\n",
     "import duckdb\n",
-    "from IPython.core.interactiveshell import InteractiveShell\n",
-    "from lonboard import viz\n",
-    "import pandas as pd\n",
-    "\n",
-    "# Enable multiple outputs per cell\n",
-    "InteractiveShell.ast_node_interactivity = \"all\"\n",
-    "# Show all columns\n",
-    "pd.set_option('display.max_columns', None)\n",
     "\n",
     "output_data_folder = '/data/experiments'"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 41,
    "id": "708e293d",
    "metadata": {},
    "outputs": [],
@@ -44,17 +35,31 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 28,
+   "execution_count": 42,
    "id": "580c82ad-f64d-439f-9055-2307fdf7cccd",
    "metadata": {},
    "outputs": [
     {
      "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "8c53af935cf44664a8b493f5133b87e7",
+       "version_major": 2,
+       "version_minor": 0
+      },
       "text/plain": [
-       "<duckdb.duckdb.DuckDBPyConnection at 0x7f0704bb5e70>"
+       "FloatProgress(value=0.0, layout=Layout(width='auto'), style=ProgressStyle(bar_color='black'))"
       ]
      },
-     "execution_count": 28,
+     "metadata": {},
+     "output_type": "display_data"
+    },
+    {
+     "data": {
+      "text/plain": [
+       "<duckdb.duckdb.DuckDBPyConnection at 0x7f0654aa5730>"
+      ]
+     },
+     "execution_count": 42,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -63,10 +68,19 @@
     "con.execute(\"\"\"\n",
     "DROP TABLE IF EXISTS geo_data;\n",
     "CREATE TABLE geo_data AS\n",
-    "SELECT geo.da_dguid, cop.count_total_4, CAST(round((cop.count_total_1 / (ST_Area_Spheroid(geo.geom) / 1000000.0)), 0) AS INTEGER) AS count_total_4_per_square_km,  geo.geom \n",
-    "FROM 'https://data.dataforcanada.org/processed/statistics_canada/census_of_population/2021/tabular/da_2021.parquet' AS cop,\n",
-    "'https://data.dataforcanada.org/processed/statistics_canada/boundaries/2021/digital_boundary_files/da_2021.parquet' AS geo\n",
-    "WHERE geo.csd_name in ('Ottawa') AND cop.da_dguid = geo.da_dguid;\n",
+    "SELECT\n",
+    "    geo.da_dguid,\n",
+    "    cop.count_total_4,\n",
+    "    CAST(\n",
+    "        ROUND(\n",
+    "            (cop.count_total_1 / (ST_AREA_SPHEROID(geo.geom) / 1000000.0)), 0\n",
+    "        ) AS INTEGER\n",
+    "    ) AS count_total_4_per_square_km,\n",
+    "    geo.geom\n",
+    "FROM\n",
+    "    'https://data.dataforcanada.org/processed/statistics_canada/census_of_population/2021/tabular/da_2021.parquet' AS cop,\n",
+    "    'https://data.dataforcanada.org/processed/statistics_canada/boundaries/2021/digital_boundary_files/da_2021.parquet' AS geo\n",
+    "WHERE geo.csd_name IN ('Ottawa') AND cop.da_dguid = geo.da_dguid;\n",
     "\"\"\")"
    ]
   },
@@ -80,17 +94,17 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 37,
+   "execution_count": 43,
    "id": "0528eeb4-fb89-4640-94c6-c0eda4cbe764",
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "<duckdb.duckdb.DuckDBPyConnection at 0x7f0704bb5e70>"
+       "<duckdb.duckdb.DuckDBPyConnection at 0x7f0654aa5730>"
       ]
      },
-     "execution_count": 37,
+     "execution_count": 43,
      "metadata": {},
      "output_type": "execute_result"
     }