CREATE TABLE "opinion_polling_for_the_united_states_gu" (
  "source" text,
  "dates_administered" text,
  "democrat_christine_gregoire" text,
  "republican_dino_rossi" text,
  "lead_margin" real
);

Question: What is the source of the poll that had Republican: Dino Rossi at 46%, Democrat: Christine Gregoire at 50%, and the lead margin was larger than 3?
SQL: SELECT "source" FROM "opinion_polling_for_the_united_states_gu" WHERE "republican_dino_rossi"='46%' AND "lead_margin">3 AND "democrat_christine_gregoire"='50%';

Question: What was the percentage for Republican: Dino Rossi when Democrat: Christine Gregoire polled at 53.7% and the lead margin was larger than 7?
SQL: SELECT "republican_dino_rossi" FROM "opinion_polling_for_the_united_states_gu" WHERE "lead_margin">7 AND "democrat_christine_gregoire"='53.7%';