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_90 (entrants INTEGER, winner VARCHAR)
### Question:
What was the fewest entrants in an event won by Grant Hinkle?
### Answer:
SELECT MIN(entrants) FROM table_name_90 WHERE winner = "grant hinkle"