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_name_24 (semi_final_heat_host VARCHAR, national_final_main_host VARCHAR, national_final_co_host VARCHAR)
  ### Question:
  What was the host for the semi final heat, when Terry Wogan was the National Final main host, and Gaby Roslin was the National Final co-host?
  ### Answer:
  SELECT semi_final_heat_host FROM table_name_24 WHERE national_final_main_host = "terry wogan" AND national_final_co_host = "gaby roslin"