Question: Who was the opponents in the final that was played on April 16, 2006 and the outcome was Runner-up?
SQL: SELECT "Opponents in Final" FROM "2-1547567-4" WHERE "Outcome" = 'Runner-up' AND "Date" = 'April 16, 2006';

Question: Who were the opponents in the final when the game was played on Hard surface and the score of the final was 6–1, 1–6, 7–6(4)?
SQL: SELECT "Opponents in Final" FROM "2-1547567-4" WHERE "Surface" = 'Hard' AND "Score in Final" = '6–1, 1–6, 7–6(4)';