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_24418525_1 (callsign VARCHAR, coverage VARCHAR)
  ### Question:
  when coverage is dumaguete central visayas region, what is the callsign?
  ### Answer:
  SELECT callsign FROM table_24418525_1 WHERE coverage = "Dumaguete Central Visayas Region"