Parse this person name:

Mirella Steinberg (1731-1798, flourished 1755-1783)
user
first_name: Mirella
last_name: Steinberg
middle_names: []
temporal:
- start: 1731
  end: 1798
  type: life_span
- start: 1755
  end: 1783
  type: flourished
titles: []
extra_info: []
assistant