Question: What was the score in the match against Kim Tiilikainen?
SQL: SELECT "Score" FROM "2-12977045-3" WHERE "Opponent" = 'Kim Tiilikainen';

Question: What was the date of the match against Jean-Julien Rojer, on a Clay surface?
SQL: SELECT "Date" FROM "2-12977045-3" WHERE "Surface" = 'Clay' AND "Opponent" = 'Jean-Julien Rojer';

Question: Which tournament had a Hard surface?
SQL: SELECT "Tournament" FROM "2-12977045-3" WHERE "Surface" = 'Hard';