Table: swimming_2007_world_champs_2
Columns: lane
name
nationality
50m_split
time

Question: Who has a 50m split less than 27.79?
SQL: SELECT "name" FROM swimming_2007_world_champs_2 WHERE "50m_split" < 27.79

Question: What is the time for a 50m split less than 28.58 and a lane of 2?
SQL: SELECT "time" FROM swimming_2007_world_champs_2 WHERE "50m_split" < 28.58 AND "lane" = 2