Show the names of journalists that have reported more than one event.
create table journalist (name varchar, journalist_id varchar, PRIMARY KEY (name)); create table news_report (event_id varchar, journalist_id varchar, PRIMARY KEY (event_id)); create table event (event_id varchar, PRIMARY KEY (event_id))
select t3.name from news_report as t1 join event as t2 on t1.event_id = t2.event_id join journalist as t3 on t1.journalist_id = t3.journalist_id group by t3.name having count(*) > 1