Name the margin of victory when tournament is algarve open de portugal
CREATE TABLE table_20272 (
    "No." real,
    "Date" text,
    "Tournament" text,
    "Winning score" text,
    "To par" text,
    "Margin of victory" text,
    "Runner(s)-up" text
)
SELECT "Margin of victory" FROM table_20272 WHERE "Tournament" = 'Algarve Open de Portugal'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Name the margin of victory when tournament is algarve open de portugal ### Input: CREATE TABLE table_20272 (
    "No." real,
    "Date" text,
    "Tournament" text,
    "Winning score" text,
    "To par" text,
    "Margin of victory" text,
    "Runner(s)-up" text
) ### Response: SELECT "Margin of victory" FROM table_20272 WHERE "Tournament" = 'Algarve Open de Portugal'