Table: ny_competition_scores
Columns: margin
score
winning_team
losing_team
venue
date

Question: What is the Margin, when Date is 19 July 2008 (Round 19)?
SQL: SELECT "margin" FROM ny_competition_scores WHERE "date" = '19 july 2008 (round 19)'

Question: What is the Winning Team, when Losing Team is South Sydney Rabbitohs?
SQL: SELECT "winning_team" FROM ny_competition_scores WHERE "losing_team" = 'south sydney rabbitohs'

Question: What is the Venue, when the Score is 56-4?
SQL: SELECT "venue" FROM ny_competition_scores WHERE "score" = '56-4'