question: Who used the Ford Cosworth DFV 3.0 v8 engine in rounds 3-12, with a G tire?
answer: SELECT driver FROM table_name_22 WHERE engine = "ford cosworth dfv 3.0 v8" AND rounds = "3-12" AND tyre = "g"
context: CREATE TABLE table_name_22 (driver VARCHAR, tyre VARCHAR, engine VARCHAR, rounds VARCHAR)