CREATE TABLE table_55653 ("Driver" TEXT, "Constructor" TEXT, "Laps" FLOAT, "Time/Retired" TEXT, "Grid" FLOAT)

What is the average laps for ralph firman with a grid of over 19?
SELECT AVG("Laps") FROM table_55653 WHERE "Driver" = 'ralph firman' AND "Grid" > '19'
SELECT AVG("Laps") FROM "table_55653" WHERE "Driver" = 'ralph firman' AND "Grid" > '19'