CREATE TABLE table_17956 ("County" TEXT, "Kerry%" TEXT, "Kerry#" FLOAT, "Bush%" TEXT, "Bush#" FLOAT, "Others%" TEXT, "Others#" FLOAT)

What's the percentage of votes for other candidates in the county where Bush got 51.6% of the votes?
SELECT "Others%" FROM table_17956 WHERE "Bush%" = '51.6%'
SELECT "Others%" FROM "table_17956" WHERE "Bush%" = '51.6%'