Table: state_leaders_850s_bc
Columns: state
type
name
title
royal_house

Question: What is the royal house for Wu at the state of cai?
SQL: SELECT "royal_house" FROM state_leaders_850s_bc WHERE "name" = 'wu' AND "state" = 'cai'

Question: What is the state where the title is listed as count?
SQL: SELECT "state" FROM state_leaders_850s_bc WHERE "title" = 'count'

Question: What is the state for the royal house of ying?
SQL: SELECT "state" FROM state_leaders_850s_bc WHERE "royal_house" = 'ying'