Parse this person name:

Steffen Schenk, 1643-1687, flourished 1673-1682
user
first_name: Steffen
last_name: Schenk
middle_names: []
temporal:
- start: 1643
  end: 1687
  type: life_span
- start: 1673
  end: 1682
  type: flourished
titles: []
extra_info: []
assistant