CREATE TABLE table_71735 ("7:00" TEXT, "7:30" TEXT, "8:00" TEXT, "8:30" TEXT, "9:00" TEXT, "9:30" TEXT, "10:00" TEXT)

What is on at 9:30 on the channel of dancing with the stars?
SELECT "9:30" FROM table_71735 WHERE "8:30" = 'dancing with the stars'
SELECT "9:30" FROM "table_71735" WHERE "8:30" = 'dancing with the stars'