Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_45 (royal_house VARCHAR, name VARCHAR, state VARCHAR)
### Question:
What is the royal house for Wu at the state of cai?
### Answer:
SELECT royal_house FROM table_name_45 WHERE name = "wu" AND state = "cai"