What is the Frequency MHz for the station with a call sign of w224bn?
CREATE TABLE table_name_2 (frequency_mhz INTEGER, call_sign VARCHAR)
SELECT AVG(frequency_mhz) FROM table_name_2 WHERE call_sign = "w224bn"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_2 (frequency_mhz INTEGER, call_sign VARCHAR) Question: What is the Frequency MHz for the station with a call sign of w224bn? [/INST] SELECT AVG(frequency_mhz) FROM table_name_2 WHERE call_sign = "w224bn" </s>