query: Which films won the Best Music Direction category in 1984, 1986 and 1989, and what language were those films in?
answer: Ilaiyaraaja has won the National Film Award for Best Music Direction for the Tamil film "Sindhu Bhairavi" (1986) and the Telugu films "Rudraveena" (1989) and "Saagara Sangamam" (1984).