query: SELECT T2.Issue_Date FROM artist AS T1 JOIN volume AS T2 ON T1.Artist_ID  =  T2.Artist_ID WHERE T1.Artist  =  "Gorgoroth"
question: Return the issue dates of volumes that are by the artist named Gorgoroth.
query_toks: SELECT T2.Issue_Date FROM artist AS T1 JOIN volume AS T2 ON T1.Artist_ID = T2.Artist_ID WHERE T1.Artist = `` Gorgoroth ''
query_toks_no_value: select t2 . issue_date from artist as t1 join volume as t2 on t1 . artist_id = t2 . artist_id where t1 . artist = value
question_toks: Return the issue dates of volumes that are by the artist named Gorgoroth.