Table: state_election_results_2008
Columns: state
date_of_polls
seats_acs
date_of_counting
incumbent
election_winner

Question: Which dates of polls occur in the Mizoram state?
SQL: SELECT "date_of_polls" FROM state_election_results_2008 WHERE "state" = 'Mizoram'

Question: How many dates of polls occur in the Madhya Pradesh state?
SQL: SELECT COUNT("date_of_polls") FROM state_election_results_2008 WHERE "state" = 'Madhya Pradesh'