user: Question: WHich competition was held on Alvor with a score 1-0?
Columns: ['Date', 'Location', 'Lineup', 'Assist/pass', 'Score', 'Result', 'Competition']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2006-03-11', 'Quarteira', "on 46' ( off Lilly )", 'unassisted', '5-0', '5-0', 'Algarve Cup']
SQL:

assistant: SELECT "Competition" FROM "Table" WHERE "Score" = '1-0' AND "Location" = 'Alvor';