CREATE TABLE "polling" (
  "source" text,
  "dates_administered" text,
  "terry_mc_auliffe" text,
  "brian_moran" text,
  "creigh_deeds" text
);

Question: What was the date when Terry McAuliffe won 19%?
SQL: SELECT "dates_administered" FROM "polling" WHERE "terry_mc_auliffe"='19%';

Question: What was the source of the poll that gave McAuliffe 30% on June 8?
SQL: SELECT "source" FROM "polling" WHERE "terry_mc_auliffe"='30%' AND "dates_administered"='June 8';

Question: What was Brian Moran's tally in the Survey USA poll where Creigh Deeds had 26%?
SQL: SELECT "brian_moran" FROM "polling" WHERE "source"='Survey USA' AND "creigh_deeds"='26%';

Question: What source showed Brian Moran at 19%?
SQL: SELECT "source" FROM "polling" WHERE "brian_moran"='19%';

Question: What was Brian Moran's share of the votes when Creigh Deeds had 30%?
SQL: SELECT "brian_moran" FROM "polling" WHERE "creigh_deeds"='30%';

Question: What source gave 26% of the votes to Brian Moran?
SQL: SELECT "source" FROM "polling" WHERE "brian_moran"='26%';