Parse this person name:

Gunda Sauer (1568-1639, flourished 1593-1622)
user
first_name: Gunda
last_name: Sauer
middle_names: []
temporal:
- start: 1568
  end: 1639
  type: life_span
- start: 1593
  end: 1622
  type: flourished
titles: []
extra_info: []
assistant