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_39237 ( "Date" text, "Venue" text, "Score" text, "Result" text, "Competition" text )

### Question ###
What date has a competition of 2012 afc challenge cup, and dasarath rangasala stadium, kathmandu as the venue?

### Accurate SQL ###

SELECT "Date" FROM table_39237 WHERE "Competition" = '2012 afc challenge cup' AND "Venue" = 'dasarath rangasala stadium, kathmandu'