Parse this person name:

Shawna White (1409-1486, flourished 1434-1445)
user
first_name: Shawna
last_name: White
middle_names: []
temporal:
- start: 1409
  end: 1486
  type: life_span
- start: 1434
  end: 1445
  type: flourished
titles: []
extra_info: []
assistant