CREATE TABLE table_57141 ("Entrant" TEXT, "Constructor" TEXT, "Chassis" TEXT, "Engine" TEXT, "Tyre" TEXT, "Driver" TEXT, "Rounds" TEXT)

What tyre has a chassis of p57 p61?
SELECT "Tyre" FROM table_57141 WHERE "Chassis" = 'p57 p61'
SELECT "Tyre" FROM "table_57141" WHERE "Chassis" = 'p57 p61'