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

what city comes next after denver , colorado
SELECT "city" FROM table_204_536 WHERE id = (SELECT id FROM table_204_536 WHERE "city" = 'denver, colorado') + 1
SELECT "city" FROM "table_204_536" WHERE "id" = (SELECT "id" FROM "table_204_536" WHERE "city" = 'denver, colorado') + 1