CREATE TABLE table_11318462_5 (open_1st_viii VARCHAR, u15_4th_iv VARCHAR)

what are all the open 1st viii with u15 4th iv being gt
SELECT open_1st_viii FROM table_11318462_5 WHERE u15_4th_iv = "GT"
SELECT "open_1st_viii" FROM "table_11318462_5" WHERE "GT" = "u15_4th_iv"