CREATE TABLE "polling" (
  "source" text,
  "date" text,
  "goberman" text,
  "loera" text,
  "merkley" text,
  "neville" text,
  "novick" text,
  "obrist" text,
  "other_undecided" text
);

Question: Which Loera has a Source of surveyusa, and a Date of may 16–may 18, 2008?
SQL: SELECT "loera" FROM "polling" WHERE "source"='surveyusa' AND "date"='may 16–may 18, 2008';

Question: Which Goberman has a Date of april 28–april 30, 2008?
SQL: SELECT "goberman" FROM "polling" WHERE "date"='april 28–april 30, 2008';

Question: Which Neville has a Novick of 23%?
SQL: SELECT "neville" FROM "polling" WHERE "novick"='23%';

Question: Which Goberman has an Obrist of 2%, and a Merkley of 34%?
SQL: SELECT "goberman" FROM "polling" WHERE "obrist"='2%' AND "merkley"='34%';

Question: Which Novick has a Source of surveyusa, and a Neville of 8%?
SQL: SELECT "novick" FROM "polling" WHERE "source"='surveyusa' AND "neville"='8%';

Question: Which Date has a Novick of 26%?
SQL: SELECT "date" FROM "polling" WHERE "novick"='26%';