Question: What is the number of the rank when the time is 2:15.98, in a lane larger than 7?
SQL: SELECT COUNT("Rank") FROM "2-12446647-5" WHERE "Time" = '2:15.98' AND "Lane" > 7.0;

Question: What is the number of the rank for the name of chen yan in a lane less than 2?
SQL: SELECT COUNT("Rank") FROM "2-12446647-5" WHERE "Name" = 'chen yan' AND "Lane" < 2.0;

Question: What is the smallest lane for rank 6?
SQL: SELECT MIN("Lane") FROM "2-12446647-5" WHERE "Rank" = 6.0;