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_name_91 (sr_number VARCHAR, lb VARCHAR, sc_number VARCHAR)
### Question:
what is the s.r. number when lb&sc number is 34?
### Answer:
SELECT sr_number FROM table_name_91 WHERE lb & sc_number = 34