CREATE TABLE table_4447 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Site" TEXT, "Time  (  MT  ) " TEXT, "Result" TEXT)

What is the (MT) time which has kansas city chiefs as an opponent on nov 11?
SELECT "Time ( MT )" FROM table_4447 WHERE "Opponent" = 'kansas city chiefs' AND "Date" = 'nov 11'
SELECT "Time ( MT )" FROM "table_4447" WHERE "Date" = 'nov 11' AND "Opponent" = 'kansas city chiefs'