Parse this person name:

Justin Stevens, 1654-1711, flourished 1670-1690
user
first_name: Justin
last_name: Stevens
middle_names: []
temporal:
- start: 1654
  end: 1711
  type: life_span
- start: 1670
  end: 1690
  type: flourished
titles: []
extra_info: []
assistant