Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_22753439_1 (margin VARCHAR, winner VARCHAR)
### Question:
How many margins have a winner of S. Singaravadivel?
### Answer:
SELECT COUNT(margin) FROM table_22753439_1 WHERE winner = "S. Singaravadivel"