How to find all the numbers greater than in a certain column then all the columns

I need some help to find out how to use find to determine all the numbers greater than x in a column.

Example

y =[1 5 9 13

2 6 10 14

3 7 11 15

4 8 12 16]

find all the numbers equal to or above 7 in column 2

answer should be 7 ,8

I had this T = find( y >=x) but that gives you the whole table.

[Kalpha.mc]

Correct answer is z = find(y(:,2) >= x)

Answer 1

[Walter Roberson]

col = 2;   %must be a scalar
T = y(find(y(:,col) >= x, col)

[Kalpha.mc]

This one finds the rows not the the column. Unless im doing it wrong?