CREATE TABLE table_name_31 (final_score VARCHAR(255), opponent VARCHAR(255), town VARCHAR(255), year VARCHAR(255), competition VARCHAR(255))
What is the final score in 2007 for the world league in novi sad played against Italy?
    
SQL: SELECT final_score FROM table_name_31 WHERE year = 2007 AND competition = "world league" AND town = "novi sad" AND opponent = "italy"