Riddle to Code 2: The return of numbers

Question

The first is a pirates favorite letter.
The second is from a famous quote of shakespear.
The third is squaring it off in a famous formula.
The fourth is the first in a very well known song.
The fifth placed in a line from top to bottom makes the train go in the right direction.
The sixth in my language sounds like the fourth.
The seventh is what you thought was the answer on the first one.
The eight is is a mr from a famous team.
The ninth could be next to the first but is a bit more curvy.

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Even Sherlock knows who 19326724815 is

Answer 1

The first is a pirates favorite letter.

C - A pirate's first love is "the sea"

The second is from a famous quote of Shakespeare.

B - "To be or not to be..."

The third is squaring it off in a famous formula.

M - $E=mc^2$ or perhaps $E^2 = p^2c^2 + m^2c^4$

The fourth is the first in a very well known song.

A - the alphabet song?

The fifth placed in a line from top to bottom makes the train go in the right direction.

H - If we put several together, it looks like a train track.

The sixth in my language sounds like the fourth.

E - sounds like A (a bit)

The seventh is what you thought was the answer on the first one.

R as in "aaarrrr".

The eight is is a mr from a famous team.

T - Mr. T from the A-Team

The ninth could be next to the first but is a bit more curvy.

U - Next to "C" in curvy, almost a bit more curved than C.

Even Sherlock knows who 19326724815 is

CUMBERBATCH