How many assessment notes are there?
select count(*) from assessment_notes
Show me the first name of students that had assessment notes in record.
select t2.first_name from assessment_notes as t1 join students as t2 on t1.student_id = t2.student_id
When did Fanny have assessment nodes?
select t1.date_of_notes from assessment_notes as t1 join students as t2 on t1.student_id = t2.student_id where t2.first_name = "Fanny"