SELECT  T1.fname ,  T1.lname ,  count(*) ,  T1.FacID FROM Faculty AS T1 JOIN Faculty_participates_in AS T2 ON T1.facID  =  T2.facID GROUP BY T1.FacID
What is the first and last name of the faculty members who participated in at least one activity? For each of them, also show the number of activities they participated in.
[Schema (values) (types)]: | activity_1 |  Activity : actid (text) , activity_name (number) | Participates_in : stuid (text) , actid (number) | Faculty_Participates_in : facid (text) , actid (number) | Student : stuid (text) , lname (number) , fname (text) , age (number) , sex (number) , major (number) , advisor (number) , city_code (number) | Faculty : facid (text) , lname (number) , fname (text) , rank (number) , sex (number) , phone (number) , room (number) , building (number);