Table schema:
CREATE TABLE table_2383498_4 (first_year_in_qld_cup VARCHAR, home_ground VARCHAR)

Question: What is every value for first year in QLD Cup if home ground is Corbett Park, Crosby Park, Lang Park, ANZ Stadium?
SQL: SELECT first_year_in_qld_cup FROM table_2383498_4 WHERE home_ground = "Corbett Park, Crosby Park, Lang Park, ANZ Stadium"