user: Question: How long was the course from Naples to Foggia?
Columns: ['Date', 'Course', 'Distance', 'Winner', 'Race Leader']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['6 May', 'Milan to Turin', 'km (mi)', 'Learco Guerra ( ITA )', 'Learco Guerra ( ITA )']
SQL:

assistant: SELECT "Distance" FROM "Table" WHERE "Course" = 'Naples to Foggia';