Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_21757 ( "Year" real, "Network" text, "Play-by-play" text, "Color commentator" text, "Sideline reporters" text, "Pregame host" text, "Pregame analysts" text )

### Question ###
What pregame host was on espn and had taylor twellman color commentating?

### Accurate SQL ###

SELECT "Pregame host" FROM table_21757 WHERE "Network" = 'ESPN' AND "Color commentator" = 'Taylor Twellman'