Parse this person name:

Crystal Richardson-Stewart (1859-1902, flourished 1878-1897)
user
first_name: Crystal
last_name: Richardson-Stewart
middle_names: []
temporal:
- start: 1859
  end: 1902
  type: life_span
- start: 1878
  end: 1897
  type: flourished
titles: []
extra_info: []
assistant