CREATE TABLE table_8878 ("Title" CLOB, "Writer" CLOB, "Doctor" CLOB, "Format" CLOB, "Company" CLOB, "release date" CLOB)

What is Release Date, when Format is CD, and when Title is Tsar Wars?
SELECT "release date" FROM table_8878 WHERE "Format" = 'cd' AND "Title" = 'tsar wars'
SELECT "release date" FROM "table_8878" WHERE "Format" = 'cd' AND "Title" = 'tsar wars'