Question: Who remixed an album of Dance Remixes?
SQL: SELECT "Remixed by" FROM "2-15173207-2" WHERE "Album" = 'Dance Remixes';

Question: Who remixed a Music video in 1985?
SQL: SELECT "Remixed by" FROM "2-15173207-2" WHERE "Year" = 1985.0 AND "Version" = 'Music video';

Question: What year was Mother's live remix created?
SQL: SELECT SUM("Year") FROM "2-15173207-2" WHERE "Version" = 'Mother''s live remix';