CREATE TABLE table_56245 ("Locomotive" TEXT, "Name" TEXT, "Serial No" TEXT, "Entered service" TEXT, "Owner" TEXT)

What is the entered service date for serial number 85-1222?
SELECT "Entered service" FROM table_56245 WHERE "Serial No" = '85-1222'
SELECT "Entered service" FROM "table_56245" WHERE "Serial No" = '85-1222'