Find the texts of assessment notes for teachers with last name "Schuster".
create table assessment_notes (text_of_notes varchar, teacher_id varchar, PRIMARY KEY (text_of_notes)); create table teachers (teacher_id varchar, last_name varchar, PRIMARY KEY (teacher_id))
select t1.text_of_notes from assessment_notes as t1 join teachers as t2 on t1.teacher_id = t2.teacher_id where t2.last_name = "schuster"