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_21469545_2 (no VARCHAR, margin_of_victory VARCHAR)
### Question:
Name the number for margin of victory being 3 strokes
### Answer:
SELECT COUNT(no) FROM table_21469545_2 WHERE margin_of_victory = "3 strokes"