Parse this person name:

Lena van Veen (1730-1771, flourished 1756-1766)
user
first_name: Lena
last_name: van Veen
middle_names: []
temporal:
- start: 1730
  end: 1771
  type: life_span
- start: 1756
  end: 1766
  type: flourished
titles: []
extra_info: []
assistant