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_1566852_4 (interview_subject VARCHAR)
### Question:
Who was featured in 20 questions when the subject of the interview was Mike Piazza?
### Answer:
SELECT 20 AS _questions FROM table_1566852_4 WHERE interview_subject = "Mike Piazza"