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_11950720_4 (no VARCHAR, date_of_birth VARCHAR)
### Question:
What is the number when birthday is 15 november 1973?
### Answer:
SELECT no FROM table_11950720_4 WHERE date_of_birth = "15 November 1973"