CREATE TABLE table_75619 ("Source" TEXT, "Date" TEXT, "Goldberg" TEXT, "Murray" TEXT, "Silbert" TEXT, "Undecided" TEXT)

What is the undecided percentage of the poll from Suffolk University with Murray at 11%?
SELECT "Undecided" FROM table_75619 WHERE "Source" = 'suffolk university' AND "Murray" = '11%'
SELECT "Undecided" FROM "table_75619" WHERE "Murray" = '11%' AND "Source" = 'suffolk university'