Parse this person name:

Spencer Erickson (1447-1501, flourished 1463-1489)
user
first_name: Spencer
last_name: Erickson
middle_names: []
temporal:
- start: 1447
  end: 1501
  type: life_span
- start: 1463
  end: 1489
  type: flourished
titles: []
extra_info: []
assistant