Parse this person name:

Paz Valera, 1817-1891, flourished 1840-1853
user
first_name: Paz
last_name: Valera
middle_names: []
temporal:
- start: 1817
  end: 1891
  type: life_span
- start: 1840
  end: 1853
  type: flourished
titles: []
extra_info: []
assistant