CREATE TABLE table_6883 ("Date" TEXT, "Score" TEXT, "Set 1" TEXT, "Set 2" TEXT, "Set 3" TEXT, "Set 4" TEXT, "Set 5" TEXT, "Total" TEXT)

What is Set 1, when Set 2 is 17-25?
SELECT "Set 1" FROM table_6883 WHERE "Set 2" = '17-25'
SELECT "Set 1" FROM "table_6883" WHERE "Set 2" = '17-25'