Parse this person name:

Liberto Valguarnera (1625-1690, flourished 1646-1671)
user
first_name: Liberto
last_name: Valguarnera
middle_names: []
temporal:
- start: 1625
  end: 1690
  type: life_span
- start: 1646
  end: 1671
  type: flourished
titles: []
extra_info: []
assistant