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_20 (family_relations VARCHAR, throne_name VARCHAR)
### Question:
What are the family relations of the king with the throne name 303?
### Answer:
SELECT family_relations FROM table_name_20 WHERE throne_name = "303"