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 (wd_no VARCHAR, lms_no VARCHAR)
### Question:
Name the total number of wd number for lms number being 7638
### Answer:
SELECT COUNT(wd_no) FROM table_20236726_2 WHERE lms_no = 7638