Describe the year in program and in phase status for the student with most number in advisor.
student refers to advisedBy.p_id; most number in advisor refers to max(count(p_id_dummy))
SELECT T2.yearsInProgram, T2.inPhase FROM advisedBy AS T1 INNER JOIN person AS T2 ON T1.p_id = T2.p_id GROUP BY T1.p_id ORDER BY COUNT(*) DESC LIMIT 1