Parse this person name:

William Potter, 1448-1523, flourished 1472-1493
user
first_name: William
last_name: Potter
middle_names: []
temporal:
- start: 1448
  end: 1523
  type: life_span
- start: 1472
  end: 1493
  type: flourished
titles: []
extra_info: []
assistant