Given a sentence in Tagalog language, translate the sentence to English language keeping the meaning of the original sentence intact.

Tagalog sentence: Tanggalin ang dami sa Dami. sa Ship field para sa ika-apat na linya.
Remove the quantity in the Qty. to Ship field for the fourth line.

Tagalog sentence: Sa panahon ng 1546, ang kanyang huling taon bilang isang undergraduate, siya ay nagsimulang gumawa ng astronomya obserbasyon.
During 1546, his final year as an undergraduate, he began to make astronomical observations.

Tagalog sentence: 4. Lagyan ng marka ang bawat reperensiya na tungkol sa “ ang salita ng Panginoon na dumating kay propeta Hagai” at “ ang salita ng Panginoon na dumating kay Hagai ang propeta.”

4. Mark every reference to "the word of the Lord came by the prophet Haggai" and "the word of the Lord came by Haggai the prophet."