Table: t_1925_football_match
Columns: date
result
score
brazil_scorers
competition

Question: Who played on December 25, 1925?
SQL: SELECT "competition" FROM t_1925_football_match WHERE "date" = 'december 25, 1925'

Question: What was the score for the South American Championship dated December 13, 1925?
SQL: SELECT "result" FROM t_1925_football_match WHERE "competition" = 'south american championship' AND "date" = 'december 13, 1925'