Parse this person name:

Juan Costa (1219-1270, flourished 1248-1265)
user
first_name: Juan
last_name: Costa
middle_names: []
temporal:
- start: 1219
  end: 1270
  type: life_span
- start: 1248
  end: 1265
  type: flourished
titles: []
extra_info: []
assistant