CREATE TABLE table_76980 ("Poll source" CLOB, "Dates administered" CLOB, "Jim DeMint  ( R ) " CLOB, "Alvin Greene  ( D ) " CLOB, "Tom Clements  ( G ) " CLOB, "Other" CLOB, "Undecided" CLOB)

Which poll source determined undecided of 5% and Jim DeMint (R) of 58%?
SELECT "Poll source" FROM table_76980 WHERE "Undecided" = '5%' AND "Jim DeMint (R)" = '58%'
SELECT "Poll source" FROM "table_76980" WHERE "Jim DeMint (R)" = '58%' AND "Undecided" = '5%'