"local_date","messages_received_morning_countmostfrequentcontact","messages_received_morning_count","messages_received_morning_distinctcontacts","messages_received_morning_timefirstmessage","messages_received_morning_timelastmessage" "2020-05-28",1,3,3,401,660 "2020-05-29",0,3,3,401,660