What is the fleet size of the airline which has a callsign of cool red?
CREATE TABLE table_15637071_1 (fleet_size INTEGER, callsign VARCHAR)
SELECT MIN(fleet_size) FROM table_15637071_1 WHERE callsign = "COOL RED"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15637071_1 (fleet_size INTEGER, callsign VARCHAR) Question: What is the fleet size of the airline which has a callsign of cool red? [/INST] SELECT MIN(fleet_size) FROM table_15637071_1 WHERE callsign = "COOL RED" </s>