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_28456 ( "Year" real, "Championship" text, "54 holes" text, "Winning score" text, "Margin" text, "Runner(s)-up" text )

### Question ###
what is the space where the next one was mike turnesa

### Accurate SQL ###

SELECT "Margin" FROM table_28456 WHERE "Runner(s)-up" = 'Mike Turnesa'