What is the opponent for the tournament of rio de janeiro?
CREATE TABLE table_name_22 (opponent VARCHAR, tournament VARCHAR)
SELECT opponent FROM table_name_22 WHERE tournament = "rio de janeiro"
### Context: CREATE TABLE table_name_22 (opponent VARCHAR, tournament VARCHAR) ### Question: What is the opponent for the tournament of rio de janeiro? ### Answer: SELECT opponent FROM table_name_22 WHERE tournament = "rio de janeiro"