Parse this person name:

Edward Mitchell (1431-1493, flourished 1451-1480)
user
first_name: Edward
last_name: Mitchell
middle_names: []
temporal:
- start: 1431
  end: 1493
  type: life_span
- start: 1451
  end: 1480
  type: flourished
titles: []
extra_info: []
assistant