Parse this person name:

Joshua Valencia-Sexton (1914-1958, flourished 1934-1944)
user
first_name: Joshua
last_name: Valencia-Sexton
middle_names: []
temporal:
- start: 1914
  end: 1958
  type: life_span
- start: 1934
  end: 1944
  type: flourished
titles: []
extra_info: []
assistant