CREATE TABLE "round_2" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: What is the total crowd size when the away team scores 14.6 (90)?
SQL: SELECT SUM("crowd") FROM "round_2" WHERE "away_team_score"='14.6 (90)';

Question: What is the average crowd size when fitzroy plays at home?
SQL: SELECT AVG("crowd") FROM "round_2" WHERE "home_team"='fitzroy';