Table: song_version
Columns: version
length
album
remixed_by
year

Question: Who remixed the version after 1999?
SQL: SELECT "remixed_by" FROM song_version WHERE "year" > 1999

Question: Who remixed the version with a length of 3:58?
SQL: SELECT "remixed_by" FROM song_version WHERE "length" = '3:58'

Question: Which album is the royal g's club mix version, which is remixed by royal garden sound, from?
SQL: SELECT "album" FROM song_version WHERE "remixed_by" = 'royal garden sound' AND "version" = 'royal g''s club mix'