What is the lowest First Title, when All-Time is greater than 1, when Country is "United States (USA)", and when Amateur Era is greater than 17?
CREATE TABLE "champions_by_country" (
  "country" text,
  "amateur_era" real,
  "open_era" real,
  "all_time" real,
  "first_title" real,
  "last_title" real
);
SELECT MIN("first_title") FROM "champions_by_country" WHERE "all_time">1 AND "country"='united states (usa)' AND "amateur_era">17;