Question: When did system of a down come out?
qaPairs: question: When did system of a down form as a band?
answer: 1994
question: When did the album, system of a down, come out?
answer: June 30, 1998
qaPairs: question: When did System of a Down (band) form?
answer: 1994
question: When did System of a Down (album) come out?
answer: June 30, 1998
qaPairs: question: When did the band system of a down form?
answer: 1994
question: When did System of a Down album come out?
answer: June 30, 1998