Show all city with a branch opened in 2001 and a branch with more than 100 membership.
return cities ;return branches in #1 ;return #2 opened in 2001 ;return membership of #2 ;return #2 where #4 is  higher than 100 ;return #1 of both #3 and #5
['select', 'project', 'filter', 'project', 'comparative', 'intersection']