CREATE TABLE table_27927 ("meas. num" FLOAT, "passed" TEXT, "YES votes" FLOAT, "NO votes" FLOAT, "% YES" TEXT, "Const. Amd.?" TEXT, "type" TEXT, "description" TEXT)

What is the description of the measure that got 39.57% yes votes?
SELECT "description" FROM table_27927 WHERE "% YES" = '39.57%'
SELECT "description" FROM "table_27927" WHERE "% YES" = '39.57%'