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

Show all branch names with the number of members in each branch registered after 2015.
SELECT T2.name, COUNT(*) FROM membership_register_branch AS T1 JOIN branch AS T2 ON T1.branch_id = T2.branch_id WHERE T1.register_year > 2015 GROUP BY T2.branch_id
SELECT "T2"."name", COUNT(*) FROM "membership_register_branch" "T1" JOIN "branch" "T2" ON "T1"."branch_id" = "T2"."branch_id" WHERE "T1"."register_year" > 2015 GROUP BY "T2"."branch_id"