Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_74 (grid INTEGER, manufacturer VARCHAR, laps VARCHAR)
### Question:
What is the lowest grid number that had a rider with KTM as the manufacturer who did more than 20 laps?
### Answer:
SELECT MIN(grid) FROM table_name_74 WHERE manufacturer = "ktm" AND laps > 20