If skeletal system is the subject when was it first aired?
CREATE TABLE table_191105_3 (first_aired VARCHAR, subject VARCHAR)
SELECT first_aired FROM table_191105_3 WHERE subject = "Skeletal system"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_191105_3 (first_aired VARCHAR, subject VARCHAR) Question: If skeletal system is the subject when was it first aired? [/INST] SELECT first_aired FROM table_191105_3 WHERE subject = "Skeletal system" </s>