Table: t_1930_brazil_football
Columns: date
result
score
brazil_scorers
competition

Question: Who were the Brazil scorers for the World Cup Competition with a 1-2 score?
SQL: SELECT "brazil_scorers" FROM t_1930_brazil_football WHERE "competition" = 'world cup' AND "score" = '1-2'

Question: Which competition had a 4-3 score?
SQL: SELECT "competition" FROM t_1930_brazil_football WHERE "score" = '4-3'