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_1942366_9 (high VARCHAR, category VARCHAR)
### Question:
How many different C_{high} values are there for the good category?
### Answer:
SELECT STRUCT(high) FROM table_1942366_9 WHERE category = "Good"