Question: What year did Ocean Park Hong Kong,a marine mammal park, oceanarium, animal theme park and amusement park situated in Wong Chuk Hang and Nam Long Shan in the Southern District of Hong Kong, change its Ocean Park Halloween Bash to  All-Day-and-Night Halloween Celebration?
Sentence (from "Nam Long Shan"): At an elevation of 247 metres, it overlooks the South China Sea in the south, Sham Wan and Aberdeen Channel in the west, and Deep Water Bay in the east.
Relevant evidence: No