The town where Alice Francis Wolf won four State Mixed titles, was considered the what numbered safest city in 2014?
Alice Francis Wolf: Alice (Francis) Constant Wolf (1907–1990) was a squash player and tennis player who competed in singles and doubles during the 1920s through 1940s. Alice Francis Wolf:  During her career, Wolf won five singles titles, three doubles titles, and four mixed double titles. Alice Francis Wolf:  She reached her highest rank of 10th in women's tennis in the U.S. in 1927. Alice Francis Wolf:  Competing with her husband, Henry, Wolf won the New Jersey State Mixed Doubles Championship at the Westfield Tennis Club in Westfield, New Jersey four times. Westfield, New Jersey: Westfield is a town in Union County of New Jersey, United States. Westfield, New Jersey:  As of the 2010 United States Census, the town's population was 30,316, reflecting an increase of 672 (+2.3%) from the 29,644 counted in the 2000 Census, which had in turn increased by 774 (+2.7%) from the 28,870 counted in the 1990 Census. Westfield, New Jersey:  According to a 2014 nationwide survey, Westfield is considered to be the 30th-safest city to live in the United States.
30th-safest