What is the low attendance was based in phoenix with a Record of 1–0–0?
CREATE TABLE "october" (
  "date" text,
  "visitor" text,
  "score" text,
  "home" text,
  "decision" text,
  "attendance" real,
  "record" text
);
SELECT MIN("attendance") FROM "october" WHERE "home"='phoenix' AND "record"='1–0–0';