CREATE TABLE table_65489 ("Year" FLOAT, "Venue" TEXT, "Men's Open" TEXT, "Women's Open" TEXT, "Men's 35s" TEXT)

In what year was the venue Gold Coast and the Men's 35s NSW?
SELECT SUM("Year") FROM table_65489 WHERE "Venue" = 'gold coast' AND "Men's 35s" = 'nsw'
SELECT SUM("Year") FROM "table_65489" WHERE "Men's 35s" = 'nsw' AND "Venue" = 'gold coast'