Parse this person name:

Walli Klemt (1522-1564, flourished 1548-1559)
user
first_name: Walli
last_name: Klemt
middle_names: []
temporal:
- start: 1522
  end: 1564
  type: life_span
- start: 1548
  end: 1559
  type: flourished
titles: []
extra_info: []
assistant