Parse this person name:

Leah Graves (1550-1592, flourished 1570-1587)
user
first_name: Leah
last_name: Graves
middle_names: []
temporal:
- start: 1550
  end: 1592
  type: life_span
- start: 1570
  end: 1587
  type: flourished
titles: []
extra_info: []
assistant