Mention the person ID of faculty professor who taught course ID 104 and the course level.
person ID refers to person.p_id; faculty professor refers to professor = 1 and hasPosition ! = 0
SELECT T1.p_id, T3.courseLevel FROM person AS T1 INNER JOIN taughtBy AS T2 ON T1.p_id = T2.p_id INNER JOIN course AS T3 ON T3.course_id = T2.course_id WHERE T3.course_id = 104 AND T1.hasPosition <> 0