CREATE TABLE table_75993 ("Source" TEXT, "Date" TEXT, "Goberman" TEXT, "Loera" TEXT, "Merkley" TEXT, "Neville" TEXT, "Novick" TEXT, "Obrist" TEXT, "Other/ Undecided" TEXT)

Which Novick has a Source of surveyusa, and a Neville of 8%?
SELECT "Novick" FROM table_75993 WHERE "Source" = 'surveyusa' AND "Neville" = '8%'
SELECT "Novick" FROM "table_75993" WHERE "Neville" = '8%' AND "Source" = 'surveyusa'