"Friends of the Earth local action groups" dataset (constituency_foe_groups) only has "contains" comparators. Which is a bit odd? Especially when the default value is {}!

Either this should be a numeric comparator, like the "Friends of the Earth activists" dataset (constituency_foe_activists_count) in future constituencies:

Or we should have a separate "Number of…" dataset, with a numeric type rather than JSON data type, like we do for Womens Institute groups (constituency_wi_group_count), for example: