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

Context: we went to theArcade . it was really neat but i could n't stay in the galleries there too long becauseit was too hot and humid to breathe . i did get to see a few neat things before it was time to drive straight back to knoxville and work the next morning after taking downthe Dee C. East show . blah .

Answer:

They had to return home .



Why was the narrator driving to Knoxville ?