Table: tennis_championships_4
Columns: year
australian_open
french_open
wimbledon
us_open

Question: What is the latest year rafael nadal was in the French Open, Roger Federer was in Wimbledon, and Roger Federer was in the Australian Open?
SQL: SELECT MAX("year") FROM tennis_championships_4 WHERE "french_open" = 'rafael nadal' AND "wimbledon" = 'roger federer' AND "australian_open" = 'roger federer'

Question: What is the total number of years Andy Murray was at Wimbledon?
SQL: SELECT COUNT("year") FROM tennis_championships_4 WHERE "wimbledon" = 'andy murray'

Question: What is the Australian open in 2010?
SQL: SELECT "australian_open" FROM tennis_championships_4 WHERE "year" = 2010