What are the names of the courses that the students with the lowest intelligence are least satisfied with?
lower intelligence refers to intelligence = 1; sat refers to student's satisfaction degree with the course where least satisfaction refers to sat = 1;
SELECT T3.name FROM student AS T1 INNER JOIN registration AS T2 ON T1.student_id = T2.student_id INNER JOIN course AS T3 ON T2.course_id = T3.course_id WHERE T2.sat = 1 AND T1.intelligence = 1