user: Question: What's the average finish in 2008?
Columns: ['Year', 'Starts', 'Wins', 'Top 5', 'Top 10', 'Poles', 'Avg. Start', 'Avg. Finish', 'Winnings', 'Position', 'Team(s)']
Types: ['real', 'real', 'real', 'real', 'real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1999.0, 31.0, 2.0, 5.0, 9.0, 2.0, '16.3', '21.7', '$579,713', '13th', '#27 Brewco Motorsports']
SQL:

assistant: SELECT "Avg. Finish" FROM "Table" WHERE "Year" = 2008.0;