Schema: CREATE TABLE Lessons (lesson_id VARCHAR, staff_id VARCHAR); CREATE TABLE Staff (staff_id VARCHAR, first_name VARCHAR, last_name VARCHAR)
Question: List lesson id of all lessons taught by staff with first name as Janessa, last name as Sawayn and nickname containing letter 's'.
SQL: SELECT T1.lesson_id FROM Lessons AS T1 JOIN Staff AS T2 ON T1.staff_id = T2.staff_id WHERE T2.first_name = "Janessa" AND T2.last_name = "Sawayn" AND nickname LIKE "%s%"