Translation of "Columns" in Japanese

The columns were made of marble.

柱は大理石で作られていた。

I always read his columns with interest.

私はいつも彼のコラムを興味をもって読む。

- I'm always interested in reading his column.
- I always read his columns with interest.

私はいつも彼のコラムを興味をもって読む。