user: Question: When the Corinthians have a position of less than 5, what is the average against?
Columns: ['Position', 'Team', 'Points', 'Played', 'Against', 'Difference']
Types: ['real', 'text', 'real', 'real', 'real', 'text']
Sample row: [1.0, 'Flamengo', 13.0, 8.0, 12.0, '8']
SQL:

assistant: SELECT AVG("Against") FROM "Table" WHERE "Position" < 5.0 AND "Team" = 'Corinthians';