Parse this person name:

Steven Porter, 1901-1968, flourished 1923-1933
user
first_name: Steven
last_name: Porter
middle_names: []
temporal:
- start: 1901
  end: 1968
  type: life_span
- start: 1923
  end: 1933
  type: flourished
titles: []
extra_info: []
assistant