Question:
When you parachute into midgar in final fantasy seven, what materia is found at the most southern end of the subway tunnel?

Convert into A=1, Z=26 format...

23 8 5 14 25 15 21 16 1 18 1 3 8 21 20 5 9 14 20 15 13 9 4 7 1 18 9 14 6 9 14 1 12 6 1 14 20 1 19 25 19 5 22 5 14 23 8 1 20 9 19 20 8 5 13 1 20 5 18 9 1 6 15 21 14 4 1 20 20 8 5 13 15 19 20 19 15 21 20 8 5 14 5 13 4 15 6 20 8 5 19 21 2 23 1 25 20 21 14 14 5 12

Added "-" symbols to keep the words right in my head whilst encrypting.

23 8 5 14 - 25 15 21 - 16 1 18 1 3 8 21 20 5 - 9 14 20 15 - 13 9 4 7 1 18 - 9 14 - 6 9 14 1 12 - 6 1 14 20 1 19 25 - 19 5 22 5 14 - 23 8 1 20 - 9 19 - 20 8 5 - 13 1 20 5 18 9 1 - 6 15 21 14 4 - 1 20- 20 8 5 - 13 15 19 20 - 19 15 21 20 8 5 14 - 5 13 4 - 15 6 - 20 8 5 - 19 21 2 23 1 25 20 21 14 14 5 12

Added a "0" before each word

23080501402501502101601018010308021020050901402001501309040701018090140609014010120601014020010190250190502205014023080102009019020080501301020050180901060150210140401020020080501301501902001901502102008050140501304015060200805019021020230102502002101401405012

The answer was the "W-Item Materia"