CREATE TABLE table_3967 ("Proceed to Quarter-final" TEXT, "Match points" TEXT, "Aggregate score" TEXT, "Points margin" FLOAT, "Eliminated from competition" TEXT)

How many teams had a point margin of 48?
SELECT COUNT("Eliminated from competition") FROM table_3967 WHERE "Points margin" = '48'
SELECT COUNT("Eliminated from competition") FROM "table_3967" WHERE "Points margin" = '48'