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_20236726_2 (serial_no VARCHAR, wd_no VARCHAR)
### Question:
Name the total number of serial number for 24 wd no
### Answer:
SELECT COUNT(serial_no) FROM table_20236726_2 WHERE wd_no = 24