CREATE TABLE table_204_473 (id DECIMAL, "pos" TEXT, "no" DECIMAL, "driver" TEXT, "constructor" TEXT, "laps" DECIMAL, "time/retired" TEXT, "grid" DECIMAL, "points" DECIMAL)

what are the total number of laps phil hill drove ?
SELECT "laps" FROM table_204_473 WHERE "driver" = 'phil hill'
SELECT "laps" FROM "table_204_473" WHERE "driver" = 'phil hill'