Parse this person name:

Walter Plath (1457-1497, flourished 1484-1492)
user
first_name: Walter
last_name: Plath
middle_names: []
temporal:
- start: 1457
  end: 1497
  type: life_span
- start: 1484
  end: 1492
  type: flourished
titles: []
extra_info: []
assistant