Table: tennis_match_results_7
Columns: year
championship
partner
opponents
score

Question: What Championship has Scores of 6–3, 2–6, 3–6, 6–3, 3–6?
SQL: SELECT "championship" FROM tennis_match_results_7 WHERE "score" = '6–3, 2–6, 3–6, 6–3, 3–6'