Question: What Version has a Remixed by Perky Park with a Length of 6:38?
SQL: SELECT "Version" FROM "2-14874370-1" WHERE "Remixed by" = 'Perky Park' AND "Length" = '6:38';

Question: What is the total number of Year that has an Album of RemixeS?
SQL: SELECT SUM("Year") FROM "2-14874370-1" WHERE "Album" = 'RemixeS';

Question: What is listed for the Lengtht that has a Version of Single version?
SQL: SELECT "Length" FROM "2-14874370-1" WHERE "Version" = 'Single version';