user: Question: What's the total number of episodes whose original airings were viewed by 1.82 million viewers?
Columns: ['No.', 'Episode', 'Air Date', 'Timeslot', 'Rating', 'Share', '18–49 (Rating/Share)', 'Viewers (m)', 'Rank (#)']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [19.0, '" A New Hope "', 'March 3, 2009', 'Tuesday 8/7c', '8.5', '9', '0.9/2', '2.35', 'TBA']
SQL:

assistant: SELECT COUNT("Air Date") FROM "Table" WHERE "Viewers (m)" = '1.82';