CREATE TABLE table_203_597 (id DECIMAL, "year" DECIMAL, "team" TEXT, "games" DECIMAL, "carries" DECIMAL, "yards" DECIMAL, "yards per carry" DECIMAL, "longest carry" DECIMAL, "touchdowns" DECIMAL, "first downs" DECIMAL, "fumbles" DECIMAL, "fumbles lost" DECIMAL)

each of these years he played less or equal to 4 games
SELECT "year" FROM table_203_597 WHERE "games" <= 4
SELECT "year" FROM "table_203_597" WHERE "games" <= 4