CREATE TABLE table_53659 ("Entrant" TEXT, "Constructor" TEXT, "Chassis" TEXT, "Tyre" TEXT, "Driver" TEXT, "Rounds" TEXT)

What was tyre that was made by cooper - bristol that was driven by bob gerard?
SELECT "Tyre" FROM table_53659 WHERE "Constructor" = 'cooper - bristol' AND "Driver" = 'bob gerard'
SELECT "Tyre" FROM "table_53659" WHERE "Constructor" = 'cooper - bristol' AND "Driver" = 'bob gerard'