CREATE TABLE table_204_536 (id DECIMAL, "event" TEXT, "bowling center" TEXT, "city" TEXT, "dates" TEXT, "winner" TEXT)

what were the dates of the last event of the year ?
SELECT "dates" FROM table_204_536 ORDER BY id DESC LIMIT 1
SELECT "dates" FROM "table_204_536" ORDER BY "id" DESC NULLS LAST LIMIT 1