When there are more than 2 countries, just list "n countries"

Users were having problems when they looked up things like "English"
and were presented with "United Arab Emirates" and such, as these
colonial languages are spoken in so many countries.
So this just displays the number of countries.
You are modifying an object returned from elsewhere...is it certain that the object is new, or otherwise that modifying it won't affect any other clients of _ethnologueLookup undesirably?