Parse this person name:

Sigfrido Porras-Pinilla (1722-1764, flourished 1737-1748)
user
first_name: Sigfrido
last_name: Porras-Pinilla
middle_names: []
temporal:
- start: 1722
  end: 1764
  type: life_span
- start: 1737
  end: 1748
  type: flourished
titles: []
extra_info: []
assistant