וַיִּשְׁאֲל֥וּ בְנֵֽי־יִשְׂרָאֵ֖ל בַּֽיהוָ֑ה וְשָׁ֗ם אֲרוֹן֙ בְּרִ֣ית הָאֱלֹהִ֔ים בַּיָּמִ֖ים הָהֵֽם׃
And the children of Israel asked of the LORD—for the ark of the covenant of God was there in those days,
Read midrashic interpretation of Judges 20:27: and classical rabbinic exegesis.