SELECT T1.Participant_ID ,  T1.Participant_Type_Code ,  count(*) FROM Participants AS T1 JOIN Participants_in_Events AS T2 ON T1.Participant_ID  =  T2.Participant_ID GROUP BY T1.Participant_ID
How many events have each participants attended? List the participant id, type and the number.
SELECT T1.Participant_ID , T1.Participant_Type_Code , count ( * ) FROM Participants AS T1 JOIN Participants_in_Events AS T2 ON T1.Participant_ID = T2.Participant_ID GROUP BY T1.Participant_ID
select t1 . participant_id , t1 . participant_type_code , count ( * ) from participants as t1 join participants_in_events as t2 on t1 . participant_id = t2 . participant_id group by t1 . participant_id
How many events have each participants attended ? List the participant id , type and the number .