CREATE TABLE "downloadable_content" (
  "song_1_title" text,
  "artist_1" text,
  "song_2_title" text,
  "artist_2" text,
  "mix_artist" text,
  "guitar_part" text,
  "mix_pack" text,
  "release_date" text
);

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

Question: What is song 1 title is the artist is Danny Byrd?
SQL: SELECT "song_1_title" FROM "downloadable_content" 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 "downloadable_content" 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 "downloadable_content" WHERE "artist_2"='Eminem';