user: Question: What's the highest with a capacity of greater than 4000 and an average of 615?
Columns: ['Team', 'Stadium', 'Capacity', 'Highest', 'Lowest', 'Average']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['Raith Rovers', "Stark's Park", 10104.0, 4812.0, 1294.0, 2106.0]
SQL:

assistant: SELECT MAX("Highest") FROM "Table" WHERE "Average" = 615.0 AND "Capacity" > 4000.0;