CREATE TABLE table_204_957 (id DECIMAL, "year" DECIMAL, "team" TEXT, "games" DECIMAL, "combined tackles" DECIMAL, "tackles" DECIMAL, "assisted tackles" DECIMAL, "sacks" DECIMAL, "forced fumbles" DECIMAL, "fumble recoveries" DECIMAL, "fumble return yards" DECIMAL, "interceptions" DECIMAL, "interception return yards" DECIMAL, "yards per interception return" DECIMAL, "longest interception return" DECIMAL, "interceptions returned for touchdown" DECIMAL, "passes defended" DECIMAL)

what years did coy play at least 15 games ?
SELECT "year" FROM table_204_957 WHERE "games" >= 15
SELECT "year" FROM "table_204_957" WHERE "games" >= 15