Parse this person name:

Heather Williams, 1932-2010, flourished 1951-1976
user
first_name: Heather
last_name: Williams
middle_names: []
temporal:
- start: 1932
  end: 2010
  type: life_span
- start: 1951
  end: 1976
  type: flourished
titles: []
extra_info: []
assistant