CREATE TABLE table_name_73 (set_2 VARCHAR, set_1 VARCHAR, score VARCHAR, date VARCHAR)

What is Set 2, when Score is 3-0, when Date is May 11, and when Set 1 is 25-20?
SELECT set_2 FROM table_name_73 WHERE score = "3-0" AND date = "may 11" AND set_1 = "25-20"
SELECT "set_2" FROM "table_name_73" WHERE "25-20" = "set_1" AND "3-0" = "score" AND "date" = "may 11"