What callsign has commenced operations in 2011?
CREATE TABLE table_name_34 (callsign VARCHAR, commenced_operations VARCHAR)
SELECT callsign FROM table_name_34 WHERE commenced_operations = 2011
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_34 (callsign VARCHAR, commenced_operations VARCHAR) Question: What callsign has commenced operations in 2011? [/INST] SELECT callsign FROM table_name_34 WHERE commenced_operations = 2011 </s>