Table: djokovic_matches
Columns: outcome
year
championship
surface
opponent
score

Question: What is the outcome of the 4–6, 6–4, 6–3, 7–6 (7–2) score?
SQL: SELECT "outcome" FROM djokovic_matches WHERE "score" = '4–6, 6–4, 6–3, 7–6 (7–2)'

Question: What is the outcome of the match with Roger Federer as the opponent?
SQL: SELECT "outcome" FROM djokovic_matches WHERE "opponent" = 'roger federer'

Question: What surface was the Australian Open (1) played on?
SQL: SELECT "surface" FROM djokovic_matches WHERE "championship" = 'australian open (1)'