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_10 (sr_no INTEGER, builder VARCHAR, secr_no VARCHAR)
### Question:
What is Beyer Peacock's SR number with a SECR number of 769?
### Answer:
SELECT AVG(sr_no) FROM table_name_10 WHERE builder = "beyer peacock" AND secr_no = 769