Table schema:
CREATE TABLE table_name_70 (bush_number INTEGER, others_number VARCHAR, bush_percentage VARCHAR)

Question: What is the average value of Bush# when the value for Others# is greater than 57, and the value for Bush% is 49.2%?
SQL: SELECT AVG(bush_number) FROM table_name_70 WHERE others_number > 57 AND bush_percentage = "49.2%"