Parse this person name:

Sjoerd Koster, 1780-1822, flourished 1803-1817
user
first_name: Sjoerd
last_name: Koster
middle_names: []
temporal:
- start: 1780
  end: 1822
  type: life_span
- start: 1803
  end: 1817
  type: flourished
titles: []
extra_info: []
assistant