CREATE TABLE membership_register_branch (member_id DECIMAL, branch_id TEXT, register_year TEXT)
CREATE TABLE branch (branch_id DECIMAL, name TEXT, open_year TEXT, address_road TEXT, city TEXT, membership_amount TEXT)
CREATE TABLE purchase (member_id DECIMAL, branch_id TEXT, year TEXT, total_pounds DECIMAL)
CREATE TABLE member (member_id DECIMAL, card_number TEXT, name TEXT, hometown TEXT, level DECIMAL)

What are the cities that do not have any branches with more than 100 members?
SELECT city FROM branch EXCEPT SELECT city FROM branch WHERE membership_amount > 100
SELECT "city" FROM "branch" EXCEPT SELECT "city" FROM "branch" WHERE "membership_amount" > 100