CREATE TABLE table_7198 ("State" CLOB, "Type" CLOB, "Name" CLOB, "Title" CLOB, "Royal house" CLOB, "From" CLOB)

Which royal house is in the state of chu?
SELECT "Royal house" FROM table_7198 WHERE "State" = 'chu'
SELECT "Royal house" FROM "table_7198" WHERE "State" = 'chu'