user: ### NOW ANSWER:
Question: What Year has a Rank of 12.0 12?
Columns: ['Rank', 'Name', 'Height ft (m)', 'Floors', 'Year']
Types: ['text', 'text', 'text', 'real', 'real']
Sample row: ['01.0 1', 'Hancock Place', '01.0 790 (241)', 60.0, 1976.0]
SQL:

assistant: SELECT AVG("Year") FROM "Table" WHERE "Rank" = '12.0 12';