CREATE TABLE table_202_222 (id DECIMAL, "pos" DECIMAL, "no" DECIMAL, "driver" TEXT, "constructor" TEXT, "lap" TEXT, "gap" DECIMAL)

which qualifying driver has the largest gap ?
SELECT "driver" FROM table_202_222 ORDER BY "gap" DESC LIMIT 1
SELECT "driver" FROM "table_202_222" ORDER BY "gap" DESC NULLS LAST LIMIT 1