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_35 (opposing_teams VARCHAR, against VARCHAR, venue VARCHAR)
### Question:
What is Opposing Teams, when Against is "20", and when Venue is "Twickenham , London"?
### Answer:
SELECT opposing_teams FROM table_name_35 WHERE against = 20 AND venue = "twickenham , london"