Parse this person name:

Steven White, 1430-1495, flourished 1456-1484
user
first_name: Steven
last_name: White
middle_names: []
temporal:
- start: 1430
  end: 1495
  type: life_span
- start: 1456
  end: 1484
  type: flourished
titles: []
extra_info: []
assistant