What is the total avge of John Hall, who has less than 63 goals?
CREATE TABLE "top_goalscorers" (
  "name" text,
  "goals" real,
  "apps" real,
  "avge" real,
  "career" text
);
SELECT COUNT("avge") FROM "top_goalscorers" WHERE "name"='john hall' AND "goals"<63;