Table: dj_hero_songs
Columns: song_1_title
artist_1
song_2_title
artist_2
mix_artist
guitar_part
mix_pack
release_date

Question: If artist 1 is Wolfgang Gartner, what is the release date?
SQL: SELECT "release_date" FROM dj_hero_songs WHERE "artist_1" = 'Wolfgang Gartner'

Question: What is song 1 title is the artist is Danny Byrd?
SQL: SELECT "song_1_title" FROM dj_hero_songs WHERE "artist_1" = 'Danny Byrd'

Question: If artist 1 is 50 Cent featuring Mary J. Blige, what is the guitar part?
SQL: SELECT "guitar_part" FROM dj_hero_songs WHERE "artist_1" = '50 Cent featuring Mary J. Blige'

Question: What is the mix pack when the artist 2 is Eminem?
SQL: SELECT "mix_pack" FROM dj_hero_songs WHERE "artist_2" = 'Eminem'