CREATE TABLE table_20378 ("N\\u00b0" FLOAT, "Television service" CLOB, "Country" CLOB, "Language" CLOB, "Content" CLOB, "DAR" CLOB, "HDTV" CLOB, "PPV" CLOB, "Package/Option" CLOB)

Name the dar for mtv rocks
SELECT "DAR" FROM table_20378 WHERE "Television service" = 'MTV Rocks'
SELECT "DAR" FROM "table_20378" WHERE "Television service" = 'MTV Rocks'