What is the completion percentage when yards per attempt was done by Steve McNair : 2003?
CREATE TABLE table_19517448_3 (completion_percentage VARCHAR, yards_per_attempt VARCHAR)
SELECT completion_percentage FROM table_19517448_3 WHERE yards_per_attempt = "Steve McNair : 2003"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_19517448_3 (completion_percentage VARCHAR, yards_per_attempt VARCHAR) Question: What is the completion percentage when yards per attempt was done by Steve McNair : 2003? [/INST] SELECT completion_percentage FROM table_19517448_3 WHERE yards_per_attempt = "Steve McNair : 2003" </s>