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_30 (featuring VARCHAR, doctor VARCHAR, series_sorted VARCHAR)
### Question:
who is the featuring when the doctor is the 6th and the series sorted is 6y/ak?
### Answer:
SELECT featuring FROM table_name_30 WHERE doctor = "6th" AND series_sorted = "6y/ak"