Issue
When I try to configure my lookup column's attribute as "Count field values", I get a list of numbers that looks like e.g. '0, 0, 0, 0' instead of an actual count as an integer type (e.g. 4).
Environment
Notebook, Lookup columns
Cause
The lookup column is designed to return the individual values for each instance of the entity, rather than a single aggregated count
Resolution steps
Add another custom column of type "Integer" and use the table function '=count(cell)'. This column will generate an integer count of the list of numbers from the lookup column.