Parse this person name:

Calvin Stephens, 1466-1532, flourished 1486-1503
user
first_name: Calvin
last_name: Stephens
middle_names: []
temporal:
- start: 1466
  end: 1532
  type: life_span
- start: 1486
  end: 1503
  type: flourished
titles: []
extra_info: []
assistant