Table: pres_election_2010
Columns: candidate_party
amount_raised_php
amount_spent_php
votes
spent_per_vote_php
spent_per_voter_php

Question: What was spent per voter when total amount spent was 210,280,000?
SQL: SELECT "spent_per_voter_php" FROM pres_election_2010 WHERE "amount_spent_php" = '210,280,000'

Question: What was spent per voter when the spent per vote was 20.07?
SQL: SELECT "spent_per_voter_php" FROM pres_election_2010 WHERE "spent_per_vote_php" = '20.07'