Parse this person name:

Pelayo Olivera (1426-1473, flourished 1445-1464)
user
first_name: Pelayo
last_name: Olivera
middle_names: []
temporal:
- start: 1426
  end: 1473
  type: life_span
- start: 1445
  end: 1464
  type: flourished
titles: []
extra_info: []
assistant