Who was the pregame host before 1992 when there was a play by play of Bob Irving?
CREATE TABLE table_62608 (
    "Year" real,
    "Network" text,
    "Play-by-play" text,
    "Colour commentator(s)" text,
    "Pregame host" text
)
SELECT "Pregame host" FROM table_62608 WHERE "Year" < '1992' AND "Play-by-play" = 'bob irving'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Who was the pregame host before 1992 when there was a play by play of Bob Irving? ### Input: CREATE TABLE table_62608 (
    "Year" real,
    "Network" text,
    "Play-by-play" text,
    "Colour commentator(s)" text,
    "Pregame host" text
) ### Response: SELECT "Pregame host" FROM table_62608 WHERE "Year" < '1992' AND "Play-by-play" = 'bob irving'