Parse this person name:

Alexandra Stevenson, 1465-1513, flourished 1490-1501
user
first_name: Alexandra
last_name: Stevenson
middle_names: []
temporal:
- start: 1465
  end: 1513
  type: life_span
- start: 1490
  end: 1501
  type: flourished
titles: []
extra_info: []
assistant