user: Question: How many different net run rates did the team with 19 total points have?
Columns: ['Team', 'Played', 'Won', 'Lost', 'No-Result', 'Abandoned', 'Bonus Points', 'Total Points', 'Net Run Rate']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'text']
Sample row: ['Auckland Aces', 8.0, 5.0, 2.0, 1.0, 0.0, 2.0, 24.0, '0.596']
SQL:

assistant: SELECT COUNT("Net Run Rate") FROM "Table" WHERE "Total Points" = 19.0;