user: Question: What was the highest number of starts in 2007 when the average start was over 17.6?
Columns: ['Year', 'Starts', 'Wins', 'Top 5', 'Top 10', 'Poles', 'Avg. Start', 'Avg. Finish', 'Winnings', 'Position', 'Team(s)']
Types: ['real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'text', 'text', 'text']
Sample row: [1999.0, 4.0, 0.0, 0.0, 0.0, 0.0, 28.0, 26.8, '$36,400', '74th', '#18 Joe Gibbs Racing']
SQL:

assistant: SELECT MAX("Starts") FROM "Table" WHERE "Year" = 2007.0 AND "Avg. Start" > 17.6;