Parse this person name:

Stephen Ward (1646-1721, flourished 1670-1684)
user
first_name: Stephen
last_name: Ward
middle_names: []
temporal:
- start: 1646
  end: 1721
  type: life_span
- start: 1670
  end: 1684
  type: flourished
titles: []
extra_info: []
assistant