Parse this person name:

Heinz-Günter Kühnert (1516-1594, flourished 1533-1558)
user
first_name: Heinz-Günter
last_name: Kühnert
middle_names: []
temporal:
- start: 1516
  end: 1594
  type: life_span
- start: 1533
  end: 1558
  type: flourished
titles: []
extra_info: []
assistant