Parse this person name:

Kevin Gardner, 1256-1311, flourished 1274-1295
user
first_name: Kevin
last_name: Gardner
middle_names: []
temporal:
- start: 1256
  end: 1311
  type: life_span
- start: 1274
  end: 1295
  type: flourished
titles: []
extra_info: []
assistant