user: Question: What is Score, when Competition is "Friendly", and when Date is "30 April"?
Columns: ['Date', 'Venue', 'Score', 'Competition', 'Report']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['21 August', 'Hampden Park , Glasgow (H)', '0–1', 'Friendly', 'BBC Sport']
SQL:

assistant: SELECT "Score" FROM "Table" WHERE "Competition" = 'Friendly' AND "Date" = '30 April';