Parse this person name:

Christine Powell (1247-1325, flourished 1268-1287)
user
first_name: Christine
last_name: Powell
middle_names: []
temporal:
- start: 1247
  end: 1325
  type: life_span
- start: 1268
  end: 1287
  type: flourished
titles: []
extra_info: []
assistant