CREATE TABLE table_19346 ("Week" FLOAT, "Date" TEXT, "Kickoff  (  ET  ) " TEXT, "TV" TEXT, "Opponent" TEXT, "Result" TEXT, "Record" TEXT, "Game Site" TEXT)

What date did they play in Cleveland Municipal Stadium?
SELECT "Date" FROM table_19346 WHERE "Game Site" = 'Cleveland Municipal Stadium'
SELECT "Date" FROM "table_19346" WHERE "Game Site" = 'Cleveland Municipal Stadium'