SELECT city FROM branch WHERE open_year  =  2001 AND membership_amount  >  100
Show all city with a branch opened in 2001 and a branch with more than 100 membership.
[Schema (values) (types)]: | shop_membership |  member : member_id (text) , card_number (number) , name (text) , hometown (text) , level (text) | branch : branch_id (text) , name (number) , open_year (text) , address_road (text) , city (text) , membership_amount (number) | membership_register_branch : member_id (text) , branch_id (number) , register_year (text) | purchase : member_id (text) , branch_id (number) , year (text) , total_pounds (text);