Question: In what year was the fourth album of the band, formed in 1977 by Terence "Tezz" Roberts and Royston "Rainy" Wainwright, released?
Sentence (from "Discharge (band)"): Discharge are a British rock band formed in 1977 by Terence "Tezz" Roberts and Royston "Rainy" Wainwright.
Relevant evidence: Yes