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_70 (grid INTEGER, time_retired VARCHAR, laps VARCHAR)
### Question:
What is the highest grid when the race was retired due to the gearbox after 67 laps?
### Answer:
SELECT MAX(grid) FROM table_name_70 WHERE time_retired = "gearbox" AND laps > 67