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_28 (driver VARCHAR, time_retired VARCHAR, laps VARCHAR, grid VARCHAR)
### Question:
What driver has under 53 laps, a grid smaller than 14, and a time/retired of differential?
### Answer:
SELECT driver FROM table_name_28 WHERE laps < 53 AND grid < 14 AND time_retired = "differential"