Parse this person name:

Sierra Brown, 1635-1697, flourished 1662-1689
user
first_name: Sierra
last_name: Brown
middle_names: []
temporal:
- start: 1635
  end: 1697
  type: life_span
- start: 1662
  end: 1689
  type: flourished
titles: []
extra_info: []
assistant