CREATE TABLE "round_11" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: Who was Carlton's home team opponent?
SQL: SELECT "home_team" FROM "round_11" WHERE "away_team"='carlton';

Question: Who was the away team at Lake Oval?
SQL: SELECT "away_team_score" FROM "round_11" WHERE "venue"='lake oval';

Question: Who was South Melbourne's away team opponent?
SQL: SELECT "away_team" FROM "round_11" WHERE "home_team"='south melbourne';

Question: Who was the home team at Princes Park when the attendance was more than 30,848?
SQL: SELECT "home_team" FROM "round_11" WHERE "crowd">'30,848' AND "venue"='princes park';