Table: state_leaders_20th_century
Columns: type
name
title
royal_house
from

Question: What title did Mentuhotep IV have?
SQL: SELECT "title" FROM state_leaders_20th_century WHERE "name" = 'mentuhotep iv'

Question: What is the title of Amenemhat II?
SQL: SELECT "title" FROM state_leaders_20th_century WHERE "name" = 'amenemhat ii'

Question: What is the title of Senusret I?
SQL: SELECT "title" FROM state_leaders_20th_century WHERE "name" = 'senusret i'

Question: What is the title of Amenemhat I?
SQL: SELECT "title" FROM state_leaders_20th_century WHERE "name" = 'amenemhat i'

Question: What is the type shown from 1991 bc?
SQL: SELECT "type" FROM state_leaders_20th_century WHERE "from" = '1991 bc'