Parse this person name:

Frederick Johnson (1441-1500, flourished 1460-1476)
user
first_name: Frederick
last_name: Johnson
middle_names: []
temporal:
- start: 1441
  end: 1500
  type: life_span
- start: 1460
  end: 1476
  type: flourished
titles: []
extra_info: []
assistant