human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Date, Score, Set 1, Set 2, Set 3, Set 4, Set 5, Total
###Question: What is the set 2 the has 1 set of 21-25, and 4 sets of 25-20?
gpt
SELECT Set 2 FROM table WHERE Set 1 = 21-25 AND Set 4 = 25-20