CREATE TABLE table_55686 ("Season" FLOAT, "Series Name" TEXT, "Champion" TEXT, "Team Champion" TEXT, "Secondary Class Champion" TEXT)

What is the series name where cram competition is the team champion?
SELECT "Series Name" FROM table_55686 WHERE "Team Champion" = 'cram competition'
SELECT "Series Name" FROM "table_55686" WHERE "Team Champion" = 'cram competition'