Parse this person name:

Stefano Sagnelli (1452-1505, flourished 1474-1490)
user
first_name: Stefano
last_name: Sagnelli
middle_names: []
temporal:
- start: 1452
  end: 1505
  type: life_span
- start: 1474
  end: 1490
  type: flourished
titles: []
extra_info: []
assistant