Name the most attendance for tamworth with home venue
CREATE TABLE "2006_07_york_city_f_c_season" (
  "date" text,
  "opponent" text,
  "venue" text,
  "result" text,
  "attendance" real
);
SELECT MAX("attendance") FROM "2006_07_york_city_f_c_season" WHERE "opponent"='tamworth' AND "venue"='home';