Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_19 (opponent VARCHAR, week VARCHAR, game_site VARCHAR)
### Question:
Who was the opponent before week 6 at cleveland municipal stadium?
### Answer:
SELECT opponent FROM table_name_19 WHERE week < 6 AND game_site = "cleveland municipal stadium"