Parse this person name:

Viviana Velázquez, 1838-1912, flourished 1857-1882
user
first_name: Viviana
last_name: Velázquez
middle_names: []
temporal:
- start: 1838
  end: 1912
  type: life_span
- start: 1857
  end: 1882
  type: flourished
titles: []
extra_info: []
assistant