Parse this person name:

Spencer Sims (1944-2002, flourished 1974-1993)
user
first_name: Spencer
last_name: Sims
middle_names: []
temporal:
- start: 1944
  end: 2002
  type: life_span
- start: 1974
  end: 1993
  type: flourished
titles: []
extra_info: []
assistant