CREATE TABLE "polling" (
  "poll_source" text,
  "dates_administered" text,
  "jim_de_mint_r" text,
  "alvin_greene_d" text,
  "tom_clements_g" text,
  "other" text,
  "undecided" text
);

Question: Which poll source determined undecided of 5% and Jim DeMint (R) of 58%?
SQL: SELECT "poll_source" FROM "polling" WHERE "undecided"='5%' AND "jim_de_mint_r"='58%';

Question: Which poll source had an other of 15%?
SQL: SELECT "poll_source" FROM "polling" WHERE "other"='15%';

Question: What was the vote for Alvin Green when other was 9%?
SQL: SELECT "alvin_greene_d" FROM "polling" WHERE "other"='9%';

Question: What was the vote for Alvin Green when Jim DeMint was 62%?
SQL: SELECT "alvin_greene_d" FROM "polling" WHERE "jim_de_mint_r"='62%';

Question: What was the vote for Alvin Green when other was 9%?
SQL: SELECT "alvin_greene_d" FROM "polling" WHERE "other"='9%';