Parse this person name:

William Le Gall, 1711-1767, flourished 1740-1762
user
first_name: William
last_name: Le Gall
middle_names: []
temporal:
- start: 1711
  end: 1767
  type: life_span
- start: 1740
  end: 1762
  type: flourished
titles: []
extra_info: []
assistant