Parse this person name:

Savannah Green, 1737-1786, flourished 1759-1781
user
first_name: Savannah
last_name: Green
middle_names: []
temporal:
- start: 1737
  end: 1786
  type: life_span
- start: 1759
  end: 1781
  type: flourished
titles: []
extra_info: []
assistant