Who is the constructor for the car driven by George Heath?
CREATE TABLE table_18893428_1 (constructor VARCHAR, driver VARCHAR)
SELECT constructor FROM table_18893428_1 WHERE driver = "George Heath"
### Context: CREATE TABLE table_18893428_1 (constructor VARCHAR, driver VARCHAR) ### Question: Who is the constructor for the car driven by George Heath? ### Answer: SELECT constructor FROM table_18893428_1 WHERE driver = "George Heath"