What was the callsign in Zamboanga?
CREATE TABLE table_12547903_3 (callsign VARCHAR, location VARCHAR)
SELECT callsign FROM table_12547903_3 WHERE location = "Zamboanga"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_12547903_3 (callsign VARCHAR, location VARCHAR) Question: What was the callsign in Zamboanga? [/INST] SELECT callsign FROM table_12547903_3 WHERE location = "Zamboanga" </s>