$$((441)^{\frac{1}{2}}\times207\times(343)^{\frac{1}{3}})\div((14)^{2}\times(529)^{\frac{1}{2}})=?$$

A

$$6\frac{1}{2}$$

B

$$5\frac{1}{2}$$

C

$$5\frac{3}{4}$$

D

$$6\frac{3}{4}$$

E

$$6\frac{1}{4}$$