How many positive votes for Tennessee in 2006?
CREATE TABLE "states_that_have_voted_on_amendments" (
  "state" text,
  "date" text,
  "yes_vote" text,
  "no_vote" text,
  "vote_outcome" text
);
SELECT "yes_vote" FROM "states_that_have_voted_on_amendments" WHERE "date"='2006' AND "state"='tennessee';