Parse this person name:

Julie Walker, 1442-1499, flourished 1459-1481
user
first_name: Julie
last_name: Walker
middle_names: []
temporal:
- start: 1442
  end: 1499
  type: life_span
- start: 1459
  end: 1481
  type: flourished
titles: []
extra_info: []
assistant