user: Question: What is the earliest date for the Bronze medal?
Columns: ['Medal', 'Name', 'Sport', 'Event', 'Date']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['Gold', 'Thomas Geierspichler', 'Athletics', "Men's Marathon - T52", 17.0]
SQL:

assistant: SELECT MIN("Date") FROM "Table" WHERE "Medal" = 'Bronze';