user: Question: How many episodes have episode #11?
Columns: ['Episode #', 'US Air Date', 'Rating', 'Share', 'Rating/Share (18-49)', 'Viewers (millions)']
Types: ['real', 'text', 'text', 'real', 'text', 'text']
Sample row: [1.0, 'Thursday, April 9, 2009', '6.5', 11.0, '2.6/8', '10.21']
SQL:

assistant: SELECT COUNT("US Air Date") FROM "Table" WHERE "Episode #" = 11.0;