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_73 (against INTEGER, venue VARCHAR, date VARCHAR)
### Question:
Name the average Against that has a Venue of twickenham , london on 25 november 1978?
### Answer:
SELECT AVG(against) FROM table_name_73 WHERE venue = "twickenham , london" AND date = "25 november 1978"