What is the date for the perpetrator?
select date from perpetrator;
Who's the tallest perpetrator?
select t1.name from people as t1 join perpetrator as t2 on t1.people_id = t2.people_id order by t1.height desc limit 1
What's his date?
select t2.date from people as t1 join perpetrator as t2 on t1.people_id = t2.people_id order by t1.height desc limit 1