user: Question: What was the average year that Thuppakki movies came out?
Columns: ['Year', 'Song Title', 'Movie', 'Music Director', 'Co-Singers']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1997.0, '"Sasivadane"', 'Iddaru', 'A. R. Rahman', 'Unni Krishnan']
SQL:

assistant: SELECT AVG("Year") FROM "Table" WHERE "Movie" = 'Thuppakki';