Table: tennis_match_results_42
Columns: outcome
date
tournament
surface
partner
opponent
score

Question: What was the outcome when the game was played on clay and on 2 May 2009?
SQL: SELECT "outcome" FROM tennis_match_results_42 WHERE "surface" = 'clay' AND "date" = '2 may 2009'

Question: What person was played against when the playing surface was hard?
SQL: SELECT "opponent" FROM tennis_match_results_42 WHERE "surface" = 'hard'

Question: With the score of 6–3, 2–6, [10–8] and played on clay who was the opponent?
SQL: SELECT "opponent" FROM tennis_match_results_42 WHERE "surface" = 'clay' AND "score" = '6–3, 2–6, [10–8]'