Table: tennis_matches_5
Columns: outcome
year
championship
surface
partner
opponent
score

Question: What championships were played on clay and the opponent was virginia ruano pascual paola suárez?
SQL: SELECT "championship" FROM tennis_matches_5 WHERE "surface" = 'Clay' AND "opponent" = 'Virginia Ruano Pascual Paola Suárez'

Question: What championships had a match where Natasha Zvereva played as partner?
SQL: SELECT "championship" FROM tennis_matches_5 WHERE "partner" = 'Natasha Zvereva'