Parse this person name:

Sandra Fisher, 1425-1473, flourished 1442-1461
user
first_name: Sandra
last_name: Fisher
middle_names: []
temporal:
- start: 1425
  end: 1473
  type: life_span
- start: 1442
  end: 1461
  type: flourished
titles: []
extra_info: []
assistant