Parse this person name:

Keith Washington, 1281-1342, flourished 1304-1323
user
first_name: Keith
last_name: Washington
middle_names: []
temporal:
- start: 1281
  end: 1342
  type: life_span
- start: 1304
  end: 1323
  type: flourished
titles: []
extra_info: []
assistant