Parse this person name:

Sandro Kühnert, 1451-1526, flourished 1470-1488
user
first_name: Sandro
last_name: Kühnert
middle_names: []
temporal:
- start: 1451
  end: 1526
  type: life_span
- start: 1470
  end: 1488
  type: flourished
titles: []
extra_info: []
assistant