Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_13 ( date VARCHAR, opponent VARCHAR, game_site VARCHAR, week VARCHAR )

### Question ###
Game site of shea stadium, and a Week smaller than 10, and a Opponent of baltimore colts happened on what date?

### Accurate SQL ###

SELECT date FROM table_name_13 WHERE game_site = "shea stadium" AND week < 10 AND opponent = "baltimore colts"