Parse this person name:

Donald Powers, 1262-1309, flourished 1279-1301
user
first_name: Donald
last_name: Powers
middle_names: []
temporal:
- start: 1262
  end: 1309
  type: life_span
- start: 1279
  end: 1301
  type: flourished
titles: []
extra_info: []
assistant