Parse this person name:

Gérard Chauveau (1431-1507, flourished 1450-1475)
user
first_name: Gérard
last_name: Chauveau
middle_names: []
temporal:
- start: 1431
  end: 1507
  type: life_span
- start: 1450
  end: 1475
  type: flourished
titles: []
extra_info: []
assistant