user: Question: What is the distance for the course Civitavecchia to San Vincenzo?
Columns: ['Date', 'Course', 'Distance', 'Type', 'Winner']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['10 May', 'Palermo', 'km (mi)', 'Team time trial', 'Slipstream-Chipotle']
SQL:

assistant: SELECT "Distance" FROM "Table" WHERE "Course" = 'Civitavecchia to San Vincenzo';