Table: swimming_2007_world_aquatics_2
Columns: lane
name
nationality
50m_split
time

Question: Which Lane had a 50m Split of 25.8?
SQL: SELECT COUNT("lane") FROM swimming_2007_world_aquatics_2 WHERE "50m_split" = 25.8

Question: Who was in Lane 5?
SQL: SELECT "name" FROM swimming_2007_world_aquatics_2 WHERE "lane" = 5

Question: What was Arkady Vyatchanin's time?
SQL: SELECT "time" FROM swimming_2007_world_aquatics_2 WHERE "name" = 'arkady vyatchanin'