Parse this person name:

Nina Ketel (1934-1980, flourished 1959-1975)
user
first_name: Nina
last_name: Ketel
middle_names: []
temporal:
- start: 1934
  end: 1980
  type: life_span
- start: 1959
  end: 1975
  type: flourished
titles: []
extra_info: []
assistant