Parse this person name:

Joseph Stephens (1776-1835, flourished 1801-1813)
user
first_name: Joseph
last_name: Stephens
middle_names: []
temporal:
- start: 1776
  end: 1835
  type: life_span
- start: 1801
  end: 1813
  type: flourished
titles: []
extra_info: []
assistant