CREATE TABLE "silver_label" (
  "road_race" text,
  "distance" text,
  "location" text,
  "country" text,
  "month_held" text
);

Question: What are all of the area where distance is marathon and month held is february
SQL: SELECT "location" FROM "silver_label" WHERE "distance"='Marathon' AND "month_held"='February';

Question: What's the whole range of united states where road race is ottawa marathon
SQL: SELECT COUNT("country") FROM "silver_label" WHERE "road_race"='Ottawa Marathon';