Who was the opponent when Richmond played as the home team?
CREATE TABLE table_name_56 (away_team VARCHAR, home_team VARCHAR)
SELECT away_team FROM table_name_56 WHERE home_team = "richmond"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_56 (away_team VARCHAR, home_team VARCHAR) Question: Who was the opponent when Richmond played as the home team? [/INST] SELECT away_team FROM table_name_56 WHERE home_team = "richmond" </s>