Parse this person name:

Jeffrey Shelton (1915-1974, flourished 1931-1946)
user
first_name: Jeffrey
last_name: Shelton
middle_names: []
temporal:
- start: 1915
  end: 1974
  type: life_span
- start: 1931
  end: 1946
  type: flourished
titles: []
extra_info: []
assistant