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_40 (season INTEGER, score VARCHAR, venue VARCHAR)
### Question:
Which season was there a game with the score of 1:3 played at the venue of national stadium, maldives?
### Answer:
SELECT SUM(season) FROM table_name_40 WHERE score = "1:3" AND venue = "national stadium, maldives"