Which town did David rescue from Philistines who were looting its threshing floors?

Answer: Keilah

David inquired of the LORD twice, then went to Keilah, struck down the Philistines, and saved its people.

“Now it was reported to David, “Look, the Philistines are fighting against Keilah and looting the threshing floors.””— 1 Samuel 23:1 (BSB)