What is the average attendance against the expos?
CREATE TABLE table_name_57 (attendance INTEGER, opponent VARCHAR)
SELECT AVG(attendance) FROM table_name_57 WHERE opponent = "expos"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_57 (attendance INTEGER, opponent VARCHAR) Question: What is the average attendance against the expos? [/INST] SELECT AVG(attendance) FROM table_name_57 WHERE opponent = "expos" </s>