CREATE TABLE table_22097588_9 (spent_per_voter___php__ VARCHAR, spent_per_vote___php__ VARCHAR)

What was spent per voter when the spent per vote was 20.07?
SELECT spent_per_voter___php__ FROM table_22097588_9 WHERE spent_per_vote___php__ = "20.07"
SELECT "spent_per_voter___php__" FROM "table_22097588_9" WHERE "20.07" = "spent_per_vote___php__"