CREATE TABLE table_10616 ("Entrant" TEXT, "Constructor" TEXT, "Chassis" TEXT, "Engine" TEXT, "Tyre" TEXT, "Driver" TEXT, "Rounds" TEXT)

Who was the entrant for Louis Chiron with a Chassis of T26C?
SELECT "Entrant" FROM table_10616 WHERE "Driver" = 'louis chiron' AND "Chassis" = 't26c'
SELECT "Entrant" FROM "table_10616" WHERE "Chassis" = 't26c' AND "Driver" = 'louis chiron'