CREATE TABLE table_67615 ("Year" FLOAT, "Series title" TEXT, "Chinese title" TEXT, "Role" TEXT, "Channel" TEXT)

The series titled dragon laws i: the undercover has what role?
SELECT "Role" FROM table_67615 WHERE "Series title" = 'dragon laws i: the undercover'
SELECT "Role" FROM "table_67615" WHERE "Series title" = 'dragon laws i: the undercover'