Table: brazil_football_1966
Columns: date
result
score
brazil_scorers
competition

Question: What competition has a result of W on June 30, 1966?
SQL: SELECT "competition" FROM brazil_football_1966 WHERE "result" = 'w' AND "date" = 'june 30, 1966'

Question: What is the result of the International Friendly competition on May 15, 1966?
SQL: SELECT "result" FROM brazil_football_1966 WHERE "competition" = 'international friendly' AND "date" = 'may 15, 1966'

Question: What is the result when the score is 4-0?
SQL: SELECT "result" FROM brazil_football_1966 WHERE "score" = '4-0'