query: SELECT rank FROM captain WHERE CLASS  =  'Cutter' INTERSECT SELECT rank FROM captain WHERE CLASS  =  'Armed schooner'
question: What-all are the rank of captains where both in those Cutter and Armed schooner classes?
query_toks: SELECT rank FROM captain WHERE CLASS = 'Cutter ' INTERSECT SELECT rank FROM captain WHERE CLASS = 'Armed schooner '
query_toks_no_value: select rank from captain where class = value intersect select rank from captain where class = value
question_toks: What-all are the rank of captains where both in those Cutter and Armed schooner classes?