CREATE TABLE table_35271 ("7:00" TEXT, "7:30" TEXT, "8:00" TEXT, "8:30" TEXT, "9:00" TEXT, "9:30" TEXT, "10:00" TEXT, "10:30" TEXT)

What is the 9:00 episode that will be shown on the station that will show 20/20 at 10:00?
SELECT "9:00" FROM table_35271 WHERE "10:00" = '20/20'
SELECT "9:00" FROM "table_35271" WHERE "10:00" = '20/20'