Parse this person name:

Alla Steckel, 1717-1757, flourished 1732-1749
user
first_name: Alla
last_name: Steckel
middle_names: []
temporal:
- start: 1717
  end: 1757
  type: life_span
- start: 1732
  end: 1749
  type: flourished
titles: []
extra_info: []
assistant