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: Who was the away team at mcg?
SQL: SELECT "away_team" FROM "round_2" WHERE "venue"='mcg';

Question: Who was the home team at princes park?
SQL: SELECT "home_team" FROM "round_2" WHERE "venue"='princes park';