Parse this person name:

John Martinez, 1434-1495, flourished 1463-1481
user
first_name: John
last_name: Martinez
middle_names: []
temporal:
- start: 1434
  end: 1495
  type: life_span
- start: 1463
  end: 1481
  type: flourished
titles: []
extra_info: []
assistant