user: Question: What was the score of the game on April 28 where Buffalo were the visiting team?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Decision', 'Attendance', 'Series']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['April 22', 'Philadelphia', '2 – 3', 'Buffalo', 'Esche', 18690.0, 'Sabres lead 1–0']
SQL:

assistant: SELECT "Score" FROM "Table" WHERE "Visitor" = 'Buffalo' AND "Date" = 'April 28';