Parse this person name:

Saturnino Velázquez (1921-1977, flourished 1937-1966)
user
first_name: Saturnino
last_name: Velázquez
middle_names: []
temporal:
- start: 1921
  end: 1977
  type: life_span
- start: 1937
  end: 1966
  type: flourished
titles: []
extra_info: []
assistant