What kind of Manufacturer has a Laps smaller than 20 and a Grid of 21
CREATE TABLE table_39802 (
    "Rider" text,
    "Manufacturer" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
)
SELECT "Manufacturer" FROM table_39802 WHERE "Laps" < '20' AND "Grid" = '21'
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 kind of Manufacturer has a Laps smaller than 20 and a Grid of 21 ### Input: CREATE TABLE table_39802 (
    "Rider" text,
    "Manufacturer" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
) ### Response: SELECT "Manufacturer" FROM table_39802 WHERE "Laps" < '20' AND "Grid" = '21'