CREATE TABLE table_49112 ("Date" TEXT, "Home team" TEXT, "Score" TEXT, "Away team" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Box Score" TEXT, "Report" TEXT)

what is the date when the venue is gold coast convention centre?
SELECT "Date" FROM table_49112 WHERE "Venue" = 'gold coast convention centre'
SELECT "Date" FROM "table_49112" WHERE "Venue" = 'gold coast convention centre'