Table: formula_one_1979
Columns: round
name
circuit
date
winning_driver
winning_car

Question: Which circuit did Guy Edwards win?
SQL: SELECT "circuit" FROM formula_one_1979 WHERE "winning_driver" = 'guy edwards'

Question: What circuit did Rupert Keegan win in round 8?
SQL: SELECT "circuit" FROM formula_one_1979 WHERE "winning_driver" = 'rupert keegan' AND "round" = 8

Question: Who won Silverstone in a round after 10?
SQL: SELECT "name" FROM formula_one_1979 WHERE "round" > 10 AND "circuit" = 'silverstone'