Parse this person name:

Stella Sam (1413-1476, flourished 1428-1438)
user
first_name: Stella
last_name: Sam
middle_names: []
temporal:
- start: 1413
  end: 1476
  type: life_span
- start: 1428
  end: 1438
  type: flourished
titles: []
extra_info: []
assistant