Parse this person name:

Sam Overeem, 1871-1940, flourished 1888-1899
user
first_name: Sam
last_name: Overeem
middle_names: []
temporal:
- start: 1871
  end: 1940
  type: life_span
- start: 1888
  end: 1899
  type: flourished
titles: []
extra_info: []
assistant