Table: tennis_match_stats_4
Columns: outcome
year
championship
surface
partner
opponents
score

Question: Who was playing when the score was 5–7, 6–7 (4–7)?
SQL: SELECT "opponents" FROM tennis_match_stats_4 WHERE "score" = '5–7, 6–7 (4–7)'

Question: Who was playing when the score was 5–7, 5–7?
SQL: SELECT "opponents" FROM tennis_match_stats_4 WHERE "score" = '5–7, 5–7'

Question: How many partners were there when the score was 7–6 (7–4) , 6–3?
SQL: SELECT COUNT("partner") FROM tennis_match_stats_4 WHERE "score" = '7–6 (7–4) , 6–3'