Parse this person name:

Walter Schwital, 1484-1561, flourished 1499-1521
user
first_name: Walter
last_name: Schwital
middle_names: []
temporal:
- start: 1484
  end: 1561
  type: life_span
- start: 1499
  end: 1521
  type: flourished
titles: []
extra_info: []
assistant