How many teams had a point margin of 48?
CREATE TABLE table_3967 (
    "Proceed to Quarter-final" text,
    "Match points" text,
    "Aggregate score" text,
    "Points margin" real,
    "Eliminated from competition" text
)
SELECT COUNT("Eliminated from competition") FROM table_3967 WHERE "Points margin" = '48'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: How many teams had a point margin of 48? ### Input: CREATE TABLE table_3967 (
    "Proceed to Quarter-final" text,
    "Match points" text,
    "Aggregate score" text,
    "Points margin" real,
    "Eliminated from competition" text
) ### Response: SELECT COUNT("Eliminated from competition") FROM table_3967 WHERE "Points margin" = '48'