Parse this person name:

David Núñez, 1374-1436, flourished 1400-1423
user
first_name: David
last_name: Núñez
middle_names: []
temporal:
- start: 1374
  end: 1436
  type: life_span
- start: 1400
  end: 1423
  type: flourished
titles: []
extra_info: []
assistant