CREATE TABLE perpetrator (People_ID VARCHAR2)
CREATE TABLE people (Name VARCHAR2, People_ID VARCHAR2, Weight VARCHAR2)

What is the name of the perpetrator with the biggest weight.
SELECT T1.Name FROM people AS T1 JOIN perpetrator AS T2 ON T1.People_ID = T2.People_ID ORDER BY T1.Weight DESC LIMIT 1
SELECT "T1"."Name" FROM "people" "T1" JOIN "perpetrator" "T2" ON "T1"."People_ID" = "T2"."People_ID" ORDER BY "T1"."Weight" DESC FETCH FIRST 1 ROWS ONLY