Question: Which Tournament has a Score of 6–4, 6–2?
SQL: SELECT "Tournament" FROM "2-15290654-2" WHERE "Score" = '6–4, 6–2';

Question: Which Score has an Opponent in the final of Mehdi Tahiri?
SQL: SELECT "Score" FROM "2-15290654-2" WHERE "Opponent in the final" = 'Mehdi Tahiri';

Question: Which Date has a Score of 6–3, 7–6?
SQL: SELECT SUM("Date") FROM "2-15290654-2" WHERE "Score" = '6–3, 7–6';

Question: Which Date has a Score of 7–6(3), 4–6, 6–2?
SQL: SELECT SUM("Date") FROM "2-15290654-2" WHERE "Score" = '7–6(3), 4–6, 6–2';

Question: Which Surface has a Tournament of Olbia?
SQL: SELECT "Surface" FROM "2-15290654-2" WHERE "Tournament" = 'Olbia';