Question: what's the earliest year that serena williams had more than 2 sets?
SQL: SELECT MIN("Year") FROM "2-1612222-2" WHERE "Player" = 'serena williams' AND "Sets" > 2.0;

Question: what's the earliest year that the Wimbledon opponent was Zheng Jie?
SQL: SELECT MIN("Year") FROM "2-1612222-2" WHERE "Event" = 'Wimbledon' AND "Opponent" = 'Zheng Jie';

Question: what year was the opponent Caroline Garcia?
SQL: SELECT SUM("Year") FROM "2-1612222-2" WHERE "Opponent" = 'Caroline Garcia';

Question: what's the most recent year that samantha stosur was the opponent with 20 aces and having played more than 2 sets?
SQL: SELECT MAX("Year") FROM "2-1612222-2" WHERE "Aces" = 20.0 AND "Opponent" = 'samantha stosur' AND "Sets" > 2.0;

Question: what year was the Memphis event?
SQL: SELECT SUM("Year") FROM "2-1612222-2" WHERE "Event" = 'Memphis';