CREATE TABLE "round_17" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: What was North Melbourne's score when they were the home team?
SQL: SELECT "home_team_score" FROM "round_17" WHERE "home_team"='north melbourne';

Question: Where did Footscray play as the away team?
SQL: SELECT "venue" FROM "round_17" WHERE "away_team"='footscray';

Question: What was the away team's score in the match at Lake Oval?
SQL: SELECT "away_team_score" FROM "round_17" WHERE "venue"='lake oval';

Question: What was the sum of the crowds that watched Fitzroy play as the away team?
SQL: SELECT SUM("crowd") FROM "round_17" WHERE "away_team"='fitzroy';