Parse this person name:

Kristina Pena (1911-1977, flourished 1940-1964)
user
first_name: Kristina
last_name: Pena
middle_names: []
temporal:
- start: 1911
  end: 1977
  type: life_span
- start: 1940
  end: 1964
  type: flourished
titles: []
extra_info: []
assistant