Parse this person name:

Valentina Téllez (1238-1303, flourished 1265-1283)
user
first_name: Valentina
last_name: Téllez
middle_names: []
temporal:
- start: 1238
  end: 1303
  type: life_span
- start: 1265
  end: 1283
  type: flourished
titles: []
extra_info: []
assistant