CREATE TABLE table_42301 ("Aces" FLOAT, "Player" CLOB, "Opponent" CLOB, "Year" FLOAT, "Event" CLOB, "Sets" FLOAT, "Result" CLOB)

what's the earliest year that serena williams had more than 2 sets?
SELECT MIN("Year") FROM table_42301 WHERE "Player" = 'serena williams' AND "Sets" > '2'
SELECT MIN("Year") FROM "table_42301" WHERE "Player" = 'serena williams' AND "Sets" > '2'