user: Question: What pregame host was on ESPN and had Taylor Twellman color commentating?
Columns: ['Year', 'Network', 'Play-by-play', 'Color commentator', 'Sideline reporters', 'Pregame host', 'Pregame analysts']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [2012.0, 'ESPN', 'Adrian Healey', 'Taylor Twellman', 'Monica Gonzalez', 'Max Bretos', 'Alexi Lalas , Kasey Keller and Alejandro Moreno']
SQL:

assistant: SELECT "Pregame host" FROM "Table" WHERE "Network" = 'ESPN' AND "Color commentator" = 'Taylor Twellman';