Parse this person name:

Gunar Mälzer (1275-1321, flourished 1305-1316)
user
first_name: Gunar
last_name: Mälzer
middle_names: []
temporal:
- start: 1275
  end: 1321
  type: life_span
- start: 1305
  end: 1316
  type: flourished
titles: []
extra_info: []
assistant