tell me the average roll for the featherston area and integrated authority.
CREATE TABLE table_name_48 (roll INTEGER, area VARCHAR, authority VARCHAR)
SELECT AVG(roll) FROM table_name_48 WHERE area = "featherston" AND authority = "integrated"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_48 (roll INTEGER, area VARCHAR, authority VARCHAR) Question: tell me the average roll for the featherston area and integrated authority. [/INST] SELECT AVG(roll) FROM table_name_48 WHERE area = "featherston" AND authority = "integrated" </s>