Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_28 (champion VARCHAR, engine VARCHAR, season VARCHAR)

### Question ###
Who was the champion that drove the car with the Ford engine in 1971?

### Accurate SQL ###

SELECT champion FROM table_name_28 WHERE engine = "ford" AND season = "1971"