Parse this person name:

Karla Carsten (1735-1775, flourished 1759-1770)
user
first_name: Karla
last_name: Carsten
middle_names: []
temporal:
- start: 1735
  end: 1775
  type: life_span
- start: 1759
  end: 1770
  type: flourished
titles: []
extra_info: []
assistant