CREATE TABLE table_53139 ("Entrant" TEXT, "Constructor" TEXT, "Chassis" TEXT, "Engine" TEXT, "Driver" TEXT, "Rounds" TEXT)

kenneth mcalpine drove from which entrant?
SELECT "Entrant" FROM table_53139 WHERE "Driver" = 'kenneth mcalpine'
SELECT "Entrant" FROM "table_53139" WHERE "Driver" = 'kenneth mcalpine'