CREATE TABLE table_75617 ("Source" CLOB, "Date" CLOB, "Goldberg" CLOB, "Murray" CLOB, "Silbert" CLOB, "Undecided" CLOB)

What is the undecided percentage of the poll where Goldberg had 6%?
SELECT "Undecided" FROM table_75617 WHERE "Goldberg" = '6%'
SELECT "Undecided" FROM "table_75617" WHERE "Goldberg" = '6%'