How many drivers did Bob Gerard Racing have?
CREATE TABLE table_21977627_1 (driver VARCHAR, entrant VARCHAR)
SELECT COUNT(driver) FROM table_21977627_1 WHERE entrant = "Bob Gerard Racing"
### Context: CREATE TABLE table_21977627_1 (driver VARCHAR, entrant VARCHAR) ### Question: How many drivers did Bob Gerard Racing have? ### Answer: SELECT COUNT(driver) FROM table_21977627_1 WHERE entrant = "Bob Gerard Racing"