Parse this person name:

Alexandra Shaw (1436-1503, flourished 1455-1476)
user
first_name: Alexandra
last_name: Shaw
middle_names: []
temporal:
- start: 1436
  end: 1503
  type: life_span
- start: 1455
  end: 1476
  type: flourished
titles: []
extra_info: []
assistant