challenge: Where did Mary Quigley attend a back-to-school beer party on the night of Friday, 9 September 1977?
  
  A. A house near the corner of Broadway and Lincoln Streets in Los Angeles, California
  B. A house near the corner of Park and Oak Streets in San Francisco, California
  C. A house near the corner of Monroe and Market Streets in Santa Clara, California
  D. A house near the corner of Main and Elm Streets in San Jose, California
  Answer: 