CREATE TABLE table_58303 ("Driver" CLOB, "Constructor" CLOB, "Laps" FLOAT, "Time/Retired" CLOB, "Grid" FLOAT)

What is the sum of grid values of driver Michael Schumacher with lap counts larger than 66?
SELECT SUM("Grid") FROM table_58303 WHERE "Laps" > '66' AND "Driver" = 'michael schumacher'
SELECT SUM("Grid") FROM "table_58303" WHERE "Driver" = 'michael schumacher' AND "Laps" > '66'