Based on the context and the answer, generate a question. 

Context: After swimming and hanging out in the sun for a while we headed back to the apartment and I gave Robby a haircut . Then we got ready for our big night ; a Colorado Rapids soccer game . Our seats were great , the Rapids won 4 - 0 and the weather was gorgeous ( after the sun went down ) . After the game we got to go down onto the field to watch a HUGE fireworks show .

Answer:

They were playing in an outdoor stadium .



Where were the Colorado Rapids playing their soccer game ?