Parse this person name:

Graciano Plaza (1806-1856, flourished 1830-1851)
user
first_name: Graciano
last_name: Plaza
middle_names: []
temporal:
- start: 1806
  end: 1856
  type: life_span
- start: 1830
  end: 1851
  type: flourished
titles: []
extra_info: []
assistant