text: 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_7 (interview_subject VARCHAR)
  ### Question:
  HOW MANY TIMES WAS LUDACRIS THE INTERVIEW SUBJECT FOR THE 20 QUESTIONS COLUMN?
  ### Answer:
  SELECT COUNT(20 AS _questions) FROM table_1566852_7 WHERE interview_subject = "Ludacris"