The GeoChart expects the data to be structured in two columns:
Column: Country, region or continent
Column: Values
The first row, the table headers, are ignored
Basic Geo Chart
<script>
PocketQuery.chart('GeoChart');
</script>
CODE
Custom Color
As always, you can use any configuration options you can use in Google Charts - find the options on the Google Charts manual pages. Simply pass an options object to the PocketQuery.chart() call like this and e.g. focus on Africa and change the coloring: