Table: formula_one_1954
Columns: entrant
constructor
chassis
tyre
driver
rounds

Question: Who was the driver with chassis 625 553 500?
SQL: SELECT "driver" FROM formula_one_1954 WHERE "chassis" = '625 553 500'

Question: What was tyre that was made by cooper - bristol that was driven by bob gerard?
SQL: SELECT "tyre" FROM formula_one_1954 WHERE "constructor" = 'cooper - bristol' AND "driver" = 'bob gerard'

Question: Who was the constructor of the officine alfieri maserati that was driven by Sergio Mantovani?
SQL: SELECT "constructor" FROM formula_one_1954 WHERE "entrant" = 'officine alfieri maserati' AND "driver" = 'sergio mantovani'

Question: What tyre had Sergio Mantovani as a driver?
SQL: SELECT "tyre" FROM formula_one_1954 WHERE "driver" = 'sergio mantovani'

Question: Can you say what was the entrant of maserati built item with a Tyre of p with a chassis of 250f a6gcm that was driven by Luigi Villoresi?
SQL: SELECT "entrant" FROM formula_one_1954 WHERE "constructor" = 'maserati' AND "tyre" = 'p' AND "chassis" = '250f a6gcm' AND "driver" = 'luigi villoresi'