response = query_engine.query("What did the author do growing up?")

>>> print(response)
"""The author focused on writing short stories and programming, 
   particularly experimenting with early programming languages 
   like Fortran on the IBM 1401 in 9th grade. Later, the author
   transitioned to working with microcomputers, building simple
   games and a word processor on a TRS-80 in the early 1980s.
"""