CREATE TABLE table_29157 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "U.S. viewers  ( million ) " TEXT)

How many viewers in millions did 'batting practice' get?
SELECT "U.S. viewers (million)" FROM table_29157 WHERE "Title" = 'Batting Practice'
SELECT "U.S. viewers (million)" FROM "table_29157" WHERE "Title" = 'Batting Practice'