Types of matrices

Write the matrix element located at the intersection of the secondary diagonal and the fifth column.

Note: columns are counted from left to right, starting from $1$
$$\begin{pmatrix} 1 & 3 & 0 & 7 & 3 & 42 & -2 \\ 0 & 0 & 9 & -2 & 0 & 1 & 2 \\ 0 & 8 & 42 & 2 & 7 & 3 & 6 \\ 0 & 0 & 0 & 1 & 0 & 3 & -10 \\ 1 & 3 & 0 & 42 & 42 & 2.3 & 2 \\ 7 & 7 & 7 & 6 & 6 & 6 & 6 \\ -1 & 5 & 0 & 25 & 4 & 3 & 2 \end{pmatrix}$$