How many laps does grid 4 have?
CREATE TABLE table_45528 (
    "Rider" text,
    "Manufacturer" text,
    "Laps" text,
    "Time/Retired" text,
    "Grid" text
)
SELECT "Laps" FROM table_45528 WHERE "Grid" = '4'
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: How many laps does grid 4 have? ### Input: CREATE TABLE table_45528 (
    "Rider" text,
    "Manufacturer" text,
    "Laps" text,
    "Time/Retired" text,
    "Grid" text
) ### Response: SELECT "Laps" FROM table_45528 WHERE "Grid" = '4'