Parse this person name:

Juan Pablo Chacón, 1927-1977, flourished 1950-1972
user
first_name: Juan Pablo
last_name: Chacón
middle_names: []
temporal:
- start: 1927
  end: 1977
  type: life_span
- start: 1950
  end: 1972
  type: flourished
titles: []
extra_info: []
assistant