Parse this person name:

Jason Nelson, 1509-1554, flourished 1537-1549
user
first_name: Jason
last_name: Nelson
middle_names: []
temporal:
- start: 1509
  end: 1554
  type: life_span
- start: 1537
  end: 1549
  type: flourished
titles: []
extra_info: []
assistant