user: Question: Which Score is the lowest one that has a Year of 1868?
Columns: ['Score', 'Opposition', 'Venue', 'City', 'Year']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [25.0, 'Derbyshire', 'Old Trafford', 'Manchester', 1871.0]
SQL:

assistant: SELECT MIN("Score") FROM "Table" WHERE "Year" = 1868.0;