Parse this person name:

Knut Förster (1304-1363, flourished 1320-1342)
user
first_name: Knut
last_name: Förster
middle_names: []
temporal:
- start: 1304
  end: 1363
  type: life_span
- start: 1320
  end: 1342
  type: flourished
titles: []
extra_info: []
assistant