CREATE TABLE table_name_6 (opponents VARCHAR2, partner VARCHAR2, outcome VARCHAR2, surface VARCHAR2)

Who were the Opponents in the match on a Hard Surface with Catherine Suire as Partner and Outcome of runner-up?
SELECT opponents FROM table_name_6 WHERE outcome = "runner-up" AND surface = "hard" AND partner = "catherine suire"
SELECT "opponents" FROM "table_name_6" WHERE "catherine suire" = "partner" AND "hard" = "surface" AND "outcome" = "runner-up"