user: Question: What was the distance of the race on Saturday, August 23?
Columns: ['Stage', 'Route', 'Distance', 'Date', 'Winner']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['P', 'Sittard > Geleen', '4.4km', 'Wednesday, August 20', 'Iván Gutiérrez ( ESP )']
SQL:

assistant: SELECT "Distance" FROM "Table" WHERE "Date" = 'Saturday, August 23';