Parse this person name:

Alan Jackson (1775-1843, flourished 1797-1825)
user
first_name: Alan
last_name: Jackson
middle_names: []
temporal:
- start: 1775
  end: 1843
  type: life_span
- start: 1797
  end: 1825
  type: flourished
titles: []
extra_info: []
assistant