user: Question: How many networks are listed when the year is 2008?
Columns: ['Year', 'Network', 'Play-by-play announcers', 's Color commentator', 'Pregame hosts', 'Pregame analysts']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [2009.0, 'ESPN', 'Jon Miller', 'Joe Morgan', 'Jon Sciambi', 'Dave Campbell and Peter Pascarelli']
SQL:

assistant: SELECT COUNT("Network") FROM "Table" WHERE "Year" = 2008.0;