CREATE TABLE table_5278 ("Date" TEXT, "Result" TEXT, "Score" TEXT, "Brazil scorers" TEXT, "Competition" TEXT)

What was the score at Bernardo O'Higgins Cup on May 7, 1961?
SELECT "Score" FROM table_5278 WHERE "Competition" = 'bernardo o''higgins cup' AND "Date" = 'may 7, 1961'
SELECT "Score" FROM "table_5278" WHERE "Competition" = 'bernardo o\'higgins cup' AND "Date" = 'may 7, 1961'