CREATE TABLE table_31907 ("Driver" CLOB, "Constructor" CLOB, "Laps" FLOAT, "Time/Retired" CLOB, "Grid" FLOAT)

What is the total laps for grid 19?
SELECT COUNT("Laps") FROM table_31907 WHERE "Grid" = '19'
SELECT COUNT("Laps") FROM "table_31907" WHERE "Grid" = '19'