user: Question: How many teams had a point margin of 48?
Columns: ['Proceed to Quarter-final', 'Match points', 'Aggregate score', 'Points margin', 'Eliminated from competition']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['Brive', '4 – 0', '102 – 29', 73.0, 'El Salvador']
SQL:

assistant: SELECT COUNT("Eliminated from competition") FROM "Table" WHERE "Points margin" = 48.0;