Which Change is the average one that has a Centre of buenos aires, and a Rank smaller than 46?
CREATE TABLE table_name_31 (change INTEGER, centre VARCHAR, rank VARCHAR)
SELECT AVG(change) FROM table_name_31 WHERE centre = "buenos aires" AND rank < 46
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_31 (change INTEGER, centre VARCHAR, rank VARCHAR) Question: Which Change is the average one that has a Centre of buenos aires, and a Rank smaller than 46? [/INST] SELECT AVG(change) FROM table_name_31 WHERE centre = "buenos aires" AND rank < 46 </s>