Parse this person name:

Olegario Leon (1898-1975, flourished 1920-1930)
user
first_name: Olegario
last_name: Leon
middle_names: []
temporal:
- start: 1898
  end: 1975
  type: life_span
- start: 1920
  end: 1930
  type: flourished
titles: []
extra_info: []
assistant