query: SELECT membership_card FROM member WHERE address  =  'Hartford' INTERSECT SELECT membership_card FROM member WHERE address  =  'Waterbury'
question: What memberships card held by both member living Hartford and one living Waterbury address?
query_toks: SELECT membership_card FROM member WHERE address = 'Hartford ' INTERSECT SELECT membership_card FROM member WHERE address = 'Waterbury '
query_toks_no_value: select membership_card from member where address = value intersect select membership_card from member where address = value
question_toks: What memberships card held by both member living Hartford and one living Waterbury address?