Six persons, Pooja, Tanya, Diya, Jaya, Lalit and Sneha, live in a building which has six floors. The floor which is at the bottom is numbered as 1, the floor above it as 2 and so on. Diya lives on a prime numbered floor. Lalit lives three floors above Diya. Pooja lives immediately above Tanya, who doesn't live on bottommost floor. Sneha lives above Jaya. Sneha does not live on the top floor. How many person/persons live below Sneha?