Conversation so far:
what cities have hosted both summer and winter olympics
In 2022, Beijing will become the first-ever city that has held both the summer and the winter Olympic Games.
which cities have hosted the olympics more than once
Eleven cities will have hosted the Olympic Games more than once: Athens, Paris, London, St. Moritz, Lake Placid, Los Angeles, Cortina d'Ampezzo, Innsbruck, Tokyo, Lillehammer, Gangwon Province and Beijing.
have any cities hosted the olympics three times
London became the first city to have hosted three Games with the 2012 Summer Olympics. Paris will become the second city to do this with the 2024 Summer Olympics.

Question: how many has the US hosted
Self-contained rewrite: how many Olympics has the US hosted