Table: f2_race_results
Columns: year
entrant
chassis
engine
points

Question: In 1970, what entrant had a cosworth v8 engine?
SQL: SELECT "entrant" FROM f2_race_results WHERE "engine" = 'cosworth v8' AND "year" = 1970

Question: Who was the entrant in 1971?
SQL: SELECT "entrant" FROM f2_race_results WHERE "year" = 1971

Question: What was the total amount of points in 1978 with a Chassis of arrows fa1?
SQL: SELECT SUM("points") FROM f2_race_results WHERE "year" = 1978 AND "chassis" = 'arrows fa1'