Parse this person name:

Gérard Martinez, 1719-1769, flourished 1744-1759
user
first_name: Gérard
last_name: Martinez
middle_names: []
temporal:
- start: 1719
  end: 1769
  type: life_span
- start: 1744
  end: 1759
  type: flourished
titles: []
extra_info: []
assistant