Parse this person name:

Keano Klein (1906-1966, flourished 1922-1939)
user
first_name: Keano
last_name: Klein
middle_names: []
temporal:
- start: 1906
  end: 1966
  type: life_span
- start: 1922
  end: 1939
  type: flourished
titles: []
extra_info: []
assistant