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_41960 ( "Date" text, "Tournament" text, "Winning score" text, "Margin of victory" text, "Runner(s)-up" text )

### Question ###
What is the name of the tournament played on Sep 20, 1981, ending with a margin of vicroty of 2 strokes?

### Accurate SQL ###

SELECT "Tournament" FROM table_41960 WHERE "Margin of victory" = '2 strokes' AND "Date" = 'sep 20, 1981'