CREATE TABLE table_69879 ("Date" TEXT, "Location" TEXT, "Lineup" TEXT, "Assist/pass" TEXT, "Score" TEXT, "Result" TEXT, "Competition" TEXT)

WHich competition was held on Alvor with a score 1-0?
SELECT "Competition" FROM table_69879 WHERE "Score" = '1-0' AND "Location" = 'alvor'
SELECT "Competition" FROM "table_69879" WHERE "Location" = 'alvor' AND "Score" = '1-0'