Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_6 (opponents VARCHAR, partner VARCHAR, outcome VARCHAR, surface VARCHAR)

### Question ###
Who were the Opponents in the match on a Hard Surface with Catherine Suire as Partner and Outcome of runner-up?

### Accurate SQL ###

SELECT opponents FROM table_name_6 WHERE outcome = "runner-up" AND surface = "hard" AND partner = "catherine suire"