Parse this person name:

Nilo Viana, 1494-1549, flourished 1518-1531
user
first_name: Nilo
last_name: Viana
middle_names: []
temporal:
- start: 1494
  end: 1549
  type: life_span
- start: 1518
  end: 1531
  type: flourished
titles: []
extra_info: []
assistant