CREATE TABLE table_75991 ("Source" TEXT, "Date" TEXT, "Goberman" TEXT, "Loera" TEXT, "Merkley" TEXT, "Neville" TEXT, "Novick" TEXT, "Obrist" TEXT, "Other/ Undecided" TEXT)

Which Neville has a Novick of 23%?
SELECT "Neville" FROM table_75991 WHERE "Novick" = '23%'
SELECT "Neville" FROM "table_75991" WHERE "Novick" = '23%'