How many years was he car number 92?
CREATE TABLE table_181892_4 (speed_rank VARCHAR, car_number VARCHAR)
SELECT COUNT(speed_rank) FROM table_181892_4 WHERE car_number = 92
### Context: CREATE TABLE table_181892_4 (speed_rank VARCHAR, car_number VARCHAR) ### Question: How many years was he car number 92? ### Answer: SELECT COUNT(speed_rank) FROM table_181892_4 WHERE car_number = 92