What was Mike Hailwood's highest laps when he had a grid more than 7?
CREATE TABLE table_51325 (
    "Driver" text,
    "Constructor" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
)
SELECT MAX("Laps") FROM table_51325 WHERE "Driver" = 'mike hailwood' AND "Grid" > '7'
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 was Mike Hailwood's highest laps when he had a grid more than 7? ### Input: CREATE TABLE table_51325 (
    "Driver" text,
    "Constructor" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
) ### Response: SELECT MAX("Laps") FROM table_51325 WHERE "Driver" = 'mike hailwood' AND "Grid" > '7'