Parse this person name:

Steven Hernandez (1907-1974, flourished 1934-1960)
user
first_name: Steven
last_name: Hernandez
middle_names: []
temporal:
- start: 1907
  end: 1974
  type: life_span
- start: 1934
  end: 1960
  type: flourished
titles: []
extra_info: []
assistant