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_name_78 (margin_of_victory VARCHAR, tournament VARCHAR)

### Question ###
What was the margin of victory for Olazabal in the German Masters?

### Accurate SQL ###

SELECT margin_of_victory FROM table_name_78 WHERE tournament = "german masters"