Conversation so far:
where is andes mountains located in south america
The Andes extend from north to south through seven South American countries: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile and Argentina.
why is the andes mountain range special
The Andes, Andes Mountains or Andean Mountains (Spanish: Cordillera de los Andes) are the longest continental mountain range in the world.

Question: how long is the range
Self-contained rewrite: how long is the andes range