Question: Which opponent in the final had a partner of Katarina Srebotnik and a championship of Wimbledon (4)?
SQL: SELECT "Opponents in the final" FROM "2-1514559-1" WHERE "Partner" = 'Katarina Srebotnik' AND "Championship" = 'Wimbledon (4)';

Question: Who was the partner when the championship was US Open on a Hard surface?
SQL: SELECT "Partner" FROM "2-1514559-1" WHERE "Surface" = 'Hard' AND "Championship" = 'US Open';

Question: What was the surface for Julie Halard when the final score was 6–3, 6–2?
SQL: SELECT "Surface" FROM "2-1514559-1" WHERE "Partner" = 'Julie Halard' AND "Score in the final" = '6–3, 6–2';

Question: What was the outcome when the oppenent was Serena Williams Venus Williams and had a Hard surface?
SQL: SELECT "Outcome" FROM "2-1514559-1" WHERE "Opponents in the final" = 'Serena Williams Venus Williams' AND "Surface" = 'Hard';