CREATE TABLE table_11318462_5 (open_2nd_viii VARCHAR, u15_3rd_iv VARCHAR)

how many open 2nd viii had u15 3rd iv being gt
SELECT COUNT(open_2nd_viii) FROM table_11318462_5 WHERE u15_3rd_iv = "GT"
SELECT COUNT("open_2nd_viii") FROM "table_11318462_5" WHERE "GT" = "u15_3rd_iv"