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_56 (date VARCHAR, competition VARCHAR, venue VARCHAR)
### Question:
What date has a competition of 2012 afc challenge cup, and dasarath rangasala stadium, kathmandu as the venue?
### Answer:
SELECT date FROM table_name_56 WHERE competition = "2012 afc challenge cup" AND venue = "dasarath rangasala stadium, kathmandu"