user: ### NOW ANSWER:
Question: What year had a version called Wolf mix?
Columns: ['Version', 'Length', 'Album', 'Remixed by', 'Year']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['Album version', '4:35', 'Cendres de Lune', '—', 1987.0]
SQL:

assistant: SELECT AVG("Year") FROM "Table" WHERE "Version" = 'Wolf mix';