Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_56204 ( "Year" text, "Date" text, "Venue" text, "Winner" text, "Country" text, "Score" text, "To par" text, "Margin of victory" text, "Runner(s)-up" text, "Winner's share ( \u20ac )" text )

### Question ###
What is the margin of victory for nikki garrett?

### Accurate SQL ###

SELECT "Margin of victory" FROM table_56204 WHERE "Winner" = 'nikki garrett'