What is the smallest grid for driver of juan pablo montoya?
CREATE TABLE table_53287 (
    "Driver" text,
    "Constructor" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
)
SELECT MIN("Grid") FROM table_53287 WHERE "Driver" = 'juan pablo montoya'
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 smallest grid for driver of juan pablo montoya? ### Input: CREATE TABLE table_53287 (
    "Driver" text,
    "Constructor" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
) ### Response: SELECT MIN("Grid") FROM table_53287 WHERE "Driver" = 'juan pablo montoya'