user: Question: Which Date has an Opponent of Milton Keynes Lightning, and an Attendance smaller than 1771?
Columns: ['Date', 'Opponent', 'Venue', 'Result', 'Attendance', 'Competition']
Types: ['real', 'text', 'text', 'text', 'real', 'text']
Sample row: [6.0, 'Milton Keynes Lightning', 'Away', 'Lost 3-5 (Lightning win 11-6 on aggregate)', 537.0, 'Knockout Cup Semi-Final 2nd Leg']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Opponent" = 'Milton Keynes Lightning' AND "Attendance" < 1771.0;