CREATE TABLE table_2921 ("Song 1 title" CLOB, "Artist 1" CLOB, "Song 2 title" CLOB, "Artist 2" CLOB, "Mix artist" CLOB, "Guitar part?" CLOB, "Mix pack" CLOB, "Release date" CLOB)

If artist 1 is Wolfgang Gartner, what is the release date?
SELECT "Release date" FROM table_2921 WHERE "Artist 1" = 'Wolfgang Gartner'
SELECT "Release date" FROM "table_2921" WHERE "Artist 1" = 'Wolfgang Gartner'