user: Question: With foreign banks as the bank type, and on-site ATMS less than 218, what is the average off-site ATMs?
Columns: ['Bank type', 'Number of branches', 'On-site ATMs', 'Off-site ATMs', 'Total ATMs']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Nationalised banks', 33627.0, 3205.0, 1567.0, 4772.0]
SQL:

assistant: SELECT AVG("Off-site ATMs") FROM "Table" WHERE "Bank type" = 'foreign banks' AND "On-site ATMs" < 218.0;