Parse this person name:

Kevin Simmons, 1456-1506, flourished 1485-1495
user
first_name: Kevin
last_name: Simmons
middle_names: []
temporal:
- start: 1456
  end: 1506
  type: life_span
- start: 1485
  end: 1495
  type: flourished
titles: []
extra_info: []
assistant