-- Database schema
| course : course_id [ INTEGER ] primary_key , courseLevel [ TEXT ] | person : p_id [ INTEGER ] primary_key , professor [ INTEGER ] , student [ INTEGER ] , hasPosition [ TEXT ] , inPhase [ TEXT ] , yearsInProgram [ TEXT ] | advisedBy : p_id [ INTEGER ] advisedBy.p_id = person.p_id , p_id_dummy [ INTEGER ] advisedBy.p_id_dummy = person.p_id | taughtBy : course_id [ INTEGER ] taughtBy.course_id = course.course_id , p_id [ INTEGER ] taughtBy.p_id = person.p_id |
-- -- Among the students being advised by advisors, which students' year in the program do the advisors advise the majority of?

SELECT T2.yearsInProgram FROM advisedBy AS T1 INNER JOIN person AS T2 ON T1.p_id = T2.p_id WHERE T2.student = 1 GROUP BY T2.yearsInProgram ORDER BY COUNT(T1.p_id_dummy) DESC LIMIT 1;