What is the title for YI?
CREATE TABLE "list_of_state_leaders_in_400_bc" (
  "state" text,
  "type" text,
  "name" text,
  "title" text,
  "royal_house" text,
  "from" text
);
SELECT "title" FROM "list_of_state_leaders_in_400_bc" WHERE "name"='yi';