Formulate an answer to this elaborate question: Walloon Legion, a collaborationist volunteer unit, that served on the Eastern Front, in which war?
Ans: World War II

Formulate an answer to this elaborate question: Nikolaas Tinbergen shared the 1973 Nobel in Medicine with the zoologist who was of what nationality?
Ans: Austrian

Formulate an answer to this elaborate question: Are Carl Barat and Max Cavalera members of the same band?
Ans: no

Formulate an answer to this elaborate question: What was the estimated population in 2017 of the city where the 2016 Rally Australia was held?
Ans: 70,000