Table: t_1956_f1_race
Columns: race_name
circuit
date
winning_driver
constructor
report

Question: What was the race that featured stirling moss winning with a maserati at aintree?
SQL: SELECT "race_name" FROM t_1956_f1_race WHERE "constructor" = 'maserati' AND "circuit" = 'aintree' AND "winning_driver" = 'stirling moss'

Question: What does the Circuit of caen report?
SQL: SELECT "report" FROM t_1956_f1_race WHERE "circuit" = 'caen'

Question: Who is the winning drive of iv grand prix de caen?
SQL: SELECT "winning_driver" FROM t_1956_f1_race WHERE "race_name" = 'iv grand prix de caen'