table: 1-11214772-1
columns: Year, Champion, Score, Runner-Up, Location, Semi-Finalist #1, Semi-Finalist #2
Q:  who is the champion where semi-finalist #2 is na and location is morrisville, nc
A: SELECT Champion FROM 1-11214772-1 WHERE Semi-Finalist #2 = 'NA' AND Location = 'Morrisville, NC'