Partnering of franco ferreiro had what tournament?
CREATE TABLE table_name_20 (tournament VARCHAR, partnering VARCHAR)
SELECT tournament FROM table_name_20 WHERE partnering = "franco ferreiro"
### Context: CREATE TABLE table_name_20 (tournament VARCHAR, partnering VARCHAR) ### Question: Partnering of franco ferreiro had what tournament? ### Answer: SELECT tournament FROM table_name_20 WHERE partnering = "franco ferreiro"