Reference for II Kings 17:5

וַיַּ֥עַל מֶֽלֶךְ־אַשּׁ֖וּר בְּכָל־הָאָ֑רֶץ וַיַּ֙עַל֙ שֹׁמְר֔וֹן וַיָּ֥צַר עָלֶ֖יהָ שָׁלֹ֥שׁ שָׁנִֽים׃

Then the king of Assyria came up throughout all the land, and went up to Samaria, and besieged it three years.

BDB