CREATE TABLE table_21832 ("Year" FLOAT, "Network" CLOB, "Play-by-play" CLOB, "Colour commentator ( s ) " CLOB, "Sideline reporters" CLOB, "Pregame host" CLOB, "Pregame analysts" CLOB)

Who were the pregame hosts when the sideline reporters were Steve Armitage and Brenda Irving?
SELECT "Pregame host" FROM table_21832 WHERE "Sideline reporters" = 'Steve Armitage and Brenda Irving'
SELECT "Pregame host" FROM "table_21832" WHERE "Sideline reporters" = 'Steve Armitage and Brenda Irving'