What is the total attendance with a Report of sd.hr, and a Score of 3–1, and a Date of 14 apr 2001?
CREATE TABLE "2000_2010" (
  "date" text,
  "competition" text,
  "ground" text,
  "score" text,
  "attendance" real,
  "report" text
);
SELECT SUM("attendance") FROM "2000_2010" WHERE "report"='sd.hr' AND "score"='3–1' AND "date"='14 apr 2001';