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_51 (pregame_host VARCHAR, year VARCHAR, play_by_play VARCHAR)
  ### Question:
  Who was the pregame host before 1992 when there was a play by play of Bob Irving?
  ### Answer:
  SELECT pregame_host FROM table_name_51 WHERE year < 1992 AND play_by_play = "bob irving"