Table: tennis_match_results_12
Columns: date
tournament
surface
opponent_in_the_final
score

Question: Which tournament had a score of 6–4, 4–6, 7–5?
SQL: SELECT "tournament" FROM tennis_match_results_12 WHERE "score" = '6–4, 4–6, 7–5'

Question: Which tournament had a score of 7–5, 2–6, 7–6?
SQL: SELECT "tournament" FROM tennis_match_results_12 WHERE "score" = '7–5, 2–6, 7–6'

Question: Who was the opponent in the final in which the court surface was hard and the score was 6–3, 3–6, 7–5?
SQL: SELECT "opponent_in_the_final" FROM tennis_match_results_12 WHERE "surface" = 'hard' AND "score" = '6–3, 3–6, 7–5'

Question: What was the court surface when the score was 6–4, 6–1?
SQL: SELECT "surface" FROM tennis_match_results_12 WHERE "score" = '6–4, 6–1'

Question: On what date was the opponent in the final Gwinyai Tongoona?
SQL: SELECT "date" FROM tennis_match_results_12 WHERE "opponent_in_the_final" = 'gwinyai tongoona'