Find the Following Limit, If It Exists $$\lim _ { x \rightarrow \infty } \frac { 3 } { x ^ { - 6 } }$$

Find the following limit, if it exists.
$$\lim _ { x \rightarrow \infty } \frac { 3 } { x ^ { - 6 } }$$

A) $\frac { 1 } { 2 }$
B) $- 1$
C) 3
D) The limit does not exist.
E) 0