What is the sum of grid values of driver Michael Schumacher with lap counts larger than 66?
CREATE TABLE table_58303 (
    "Driver" text,
    "Constructor" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
)
SELECT SUM("Grid") FROM table_58303 WHERE "Laps" > '66' AND "Driver" = 'michael schumacher'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the sum of grid values of driver Michael Schumacher with lap counts larger than 66? ### Input: CREATE TABLE table_58303 (
    "Driver" text,
    "Constructor" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
) ### Response: SELECT SUM("Grid") FROM table_58303 WHERE "Laps" > '66' AND "Driver" = 'michael schumacher'