Parse this person name:

Ramón Contreras, 1918-1995, flourished 1946-1974
user
first_name: Ramón
last_name: Contreras
middle_names: []
temporal:
- start: 1918
  end: 1995
  type: life_span
- start: 1946
  end: 1974
  type: flourished
titles: []
extra_info: []
assistant