user: Question: How many episodes had 4.44m viewers?
Columns: ['Episode', 'Airdate', 'Game 1', 'Game 2', 'Game 3', 'Viewers']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, '17 April 2010', "'Twin Peaks'", "'A Walk In The Dark'", "'Lock And Key'", '4.52m']
SQL:

assistant: SELECT COUNT("Episode") FROM "Table" WHERE "Viewers" = '4.44m';