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_27987623_4 (rank_timeslot_ VARCHAR, airdate VARCHAR)
  ### Question:
  what is the total rank on airdate march 30, 2011?
  ### Answer:
  SELECT COUNT(rank_timeslot_) FROM table_27987623_4 WHERE airdate = "March 30, 2011"