Conversation so far:
On how many different continents have the winter olympics games been held
The Winter Olympic Games have been hosted on three continents.
on how many different countries have the winter olympic games been held
The Winter Olympic Games have been hosted on twelve different countries.
who will host the winter olympic games in 2022
The IOC has selected Beijing, China to host the 2022 Winter Olympics.

Question: who hosted the games in 2018
Self-contained rewrite: who hosted the winter olympic games in 2018