Parse this person name:

Sigfrido Ocaña, 1906-1954, flourished 1931-1946
user
first_name: Sigfrido
last_name: Ocaña
middle_names: []
temporal:
- start: 1906
  end: 1954
  type: life_span
- start: 1931
  end: 1946
  type: flourished
titles: []
extra_info: []
assistant