Parse this person name:

Gian Piazzi (1672-1723, flourished 1691-1712)
user
first_name: Gian
last_name: Piazzi
middle_names: []
temporal:
- start: 1672
  end: 1723
  type: life_span
- start: 1691
  end: 1712
  type: flourished
titles: []
extra_info: []
assistant