CREATE TABLE table_name_10 (sr_no INT, builder VARCHAR, secr_no VARCHAR)

What is Beyer Peacock's SR number with a SECR number of 769?
SELECT AVG(sr_no) FROM table_name_10 WHERE builder = "beyer peacock" AND secr_no = 769
SELECT AVG("sr_no") FROM "table_name_10" WHERE "beyer peacock" = "builder" AND "secr_no" = 769