Reverse the column values

Question

 Hi, I have faced the following question. Can you give me the solution?

 

Question 1:

Input:

 

Id Name

1 A

2 B

3 C

4 D

5 E

6 F

 

Output:

 

Id Name

1 F

2 E

3 D

4 C

5 B

6 A

 

Question 2:

 

String: NETXCELLE

 

How many times 'E' repeated in the above string?