user: Question: HOw many top 5 starts did the team with an average start of 17.7 have?
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: [1989.0, 1.0, 0.0, 0.0, 0.0, 0.0, '5.0', '32.0', '$3,075', '89th', '#51 Hendrick Motorsports']
SQL:

assistant: SELECT "Top 5" FROM "Table" WHERE "Avg. Start" = '17.7';