user: Question: What was the rating of the episode with an overall ranking of 190?
Columns: ['Episode number', 'Episode', 'Rating', 'Share', 'Rating/Share (18-49)', 'Viewers (millions)', 'Rank (Overall)']
Types: ['real', 'text', 'text', 'real', 'text', 'text', 'text']
Sample row: [1.0, '"Pilot/102"', '4.7', 7.0, '2.1/7', '7.68', '66']
SQL:

assistant: SELECT "Rating" FROM "Table" WHERE "Rank (Overall)" = '190';