Table: tripoli_grand_prix_1929
Columns: name
circuit
date
winning_driver
winning_constructor
report

Question: What Circuit has a Winning constructor of bugatti, and a Winning driver of edward bret?
SQL: SELECT "circuit" FROM tripoli_grand_prix_1929 WHERE "winning_constructor" = 'bugatti' AND "winning_driver" = 'edward bret'

Question: What Circuit has a Date of 25 july?
SQL: SELECT "circuit" FROM tripoli_grand_prix_1929 WHERE "date" = '25 july'

Question: What Date has a Name of thuin circuit?
SQL: SELECT "date" FROM tripoli_grand_prix_1929 WHERE "name" = 'thuin circuit'

Question: What Name has a Winning constructor of bugatti, and a Winning driver of louis chiron?
SQL: SELECT "name" FROM tripoli_grand_prix_1929 WHERE "winning_constructor" = 'bugatti' AND "winning_driver" = 'louis chiron'

Question: What Winning driver has a Name of mugello circuit?
SQL: SELECT "winning_driver" FROM tripoli_grand_prix_1929 WHERE "name" = 'mugello circuit'

Question: What Winning driver has a Winning constructor of talbot?
SQL: SELECT "winning_driver" FROM tripoli_grand_prix_1929 WHERE "winning_constructor" = 'talbot'