Run at once to meet her and say to her, ‘Is all well with you? Is all well with your husband? Is all well with the child?’” And she answered, “All is well.”
2 Kings 4:26

Elisha asked the Shunnamite woman three times if all was well (Hebrew: shalom), the third time concerning her child. Although the child was dead, she still replied "shalom". All is peace.

Three is the number of resurrection and the woman believed that God would bring her son back from the dead because he always keeps his promises.