CREATE TABLE table_17516922_1 (pregame_host VARCHAR, network VARCHAR, color_commentator VARCHAR)

What pregame host was on espn and had taylor twellman color commentating?
SELECT pregame_host FROM table_17516922_1 WHERE network = "ESPN" AND color_commentator = "Taylor Twellman"
SELECT "pregame_host" FROM "table_17516922_1" WHERE "ESPN" = "network" AND "Taylor Twellman" = "color_commentator"