Find the Exact Value of the Expression $$\tan \frac { \pi } { 6 } - \sin \frac { \pi } { 3 }$$

Multiple Choice

Find the exact value of the expression. Do not use a calculator.
- $$\tan \frac { \pi } { 6 } - \sin \frac { \pi } { 3 }$$

A) $- \frac { \sqrt { 6 } } { 2 }$
B) $- \frac { \sqrt { 3 } } { 6 }$
C) $\sqrt { 3 }$
D) $\frac { 2 \sqrt { 3 } - 3 \sqrt { 2 } } { 6 }$