Parse this person name:

Guenter Beier, 1290-1357, flourished 1312-1328
user
first_name: Guenter
last_name: Beier
middle_names: []
temporal:
- start: 1290
  end: 1357
  type: life_span
- start: 1312
  end: 1328
  type: flourished
titles: []
extra_info: []
assistant