user: Question: How many dates of polls occur in the Madhya Pradesh state?
Columns: ['State', 'Date of Polls', 'Seats (ACs)', 'Date of Counting', 'Incumbent', 'Election Winner']
Types: ['text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Tripura', 'Saturday, 23 February 2008', 60.0, 'Friday, 7 Mar 2008', 'CPI(M)', 'CPI(M)']
SQL:

assistant: SELECT COUNT("Date of Polls") FROM "Table" WHERE "State" = 'Madhya Pradesh';