All the information you need for this series at Father Ted 1 "Good Luck, Father Ted"
The parochial house is infested by rabbits, just as the very rabbit-phobic Bishop Brennan plans a visit. (From Wikipedia).
The Questions for series 2, episode 6 - "The Plague"
How many rabbits are in the greyhound race? (Careful now!) This is A
What number did Ted do in Bishop Brennan's room?! This is B
So put your answers in the formula below to give you the co-ords for the cache:
N51 44.(A+B+B)(A)(A+3) W002 41.(A-B)(B+B)(B+B+B)
Caches set in accordance to Natural Resources Wales guidelines.