Parse this person name:

Katrina Johnson (1732-1776, flourished 1749-1771)
user
first_name: Katrina
last_name: Johnson
middle_names: []
temporal:
- start: 1732
  end: 1776
  type: life_span
- start: 1749
  end: 1771
  type: flourished
titles: []
extra_info: []
assistant