Parse this person name:

Eva Gnatz (1742-1802, flourished 1770-1783)
user
first_name: Eva
last_name: Gnatz
middle_names: []
temporal:
- start: 1742
  end: 1802
  type: life_span
- start: 1770
  end: 1783
  type: flourished
titles: []
extra_info: []
assistant