When hale irwin is the winner what is the margin of victory?
CREATE TABLE table_73626 (
    "Year" real,
    "Tournament" text,
    "Winner" text,
    "Margin of victory" text,
    "Winners share ( $ )" real,
    "Par" real,
    "Course length" text
)
SELECT "Margin of victory" FROM table_73626 WHERE "Winner" = 'Hale Irwin'
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: When hale irwin is the winner what is the margin of victory? ### Input: CREATE TABLE table_73626 (
    "Year" real,
    "Tournament" text,
    "Winner" text,
    "Margin of victory" text,
    "Winners share ( $ )" real,
    "Par" real,
    "Course length" text
) ### Response: SELECT "Margin of victory" FROM table_73626 WHERE "Winner" = 'Hale Irwin'