Parse this person name:

Keith Mata (1432-1491, flourished 1449-1477)
user
first_name: Keith
last_name: Mata
middle_names: []
temporal:
- start: 1432
  end: 1491
  type: life_span
- start: 1449
  end: 1477
  type: flourished
titles: []
extra_info: []
assistant