Parse this person name:

Gabriel Étienne (1920-1991, flourished 1944-1964)
user
first_name: Gabriel
last_name: Étienne
middle_names: []
temporal:
- start: 1920
  end: 1991
  type: life_span
- start: 1944
  end: 1964
  type: flourished
titles: []
extra_info: []
assistant