Parse this person name:

علاء العجلان (1816-1867, flourished 1837-1851)
user
first_name: علاء
last_name: العجلان
middle_names: []
temporal:
- start: 1816
  end: 1867
  type: life_span
- start: 1837
  end: 1851
  type: flourished
titles: []
extra_info: []
assistant