Parse this person name:

Conrad Lehmann (1874-1923, flourished 1892-1906)
user
first_name: Conrad
last_name: Lehmann
middle_names: []
temporal:
- start: 1874
  end: 1923
  type: life_span
- start: 1892
  end: 1906
  type: flourished
titles: []
extra_info: []
assistant