user: Question: Which arena has the Milton Keynes Lions and a capacity of 800?
Columns: ['Team', 'City/Area', 'Arena', 'Capacity', 'Last season']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Birmingham Panthers', 'Birmingham & Telford', 'UoW, Walsall Campus & TCAT Arena', '1,000 500', 'New']
SQL:

assistant: SELECT "Arena" FROM "Table" WHERE "Capacity" = '800' AND "Team" = 'Milton Keynes Lions';