Parse this person name:

Helena Zaal (1732-1790, flourished 1757-1778)
user
first_name: Helena
last_name: Zaal
middle_names: []
temporal:
- start: 1732
  end: 1790
  type: life_span
- start: 1757
  end: 1778
  type: flourished
titles: []
extra_info: []
assistant