In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.

Context: #CHILE fans break through security checkpoint & storm into stadium via pressroom #Chile VS #Spain #worldcup2014 Gustavo (@gustavocnn) June 18, 2014 Answer: spain and chile.
who are the competing countries in this tweet's worldcup?