Parse this person name:

David Kramer (1210-1259, flourished 1238-1254)
user
first_name: David
last_name: Kramer
middle_names: []
temporal:
- start: 1210
  end: 1259
  type: life_span
- start: 1238
  end: 1254
  type: flourished
titles: []
extra_info: []
assistant