Table for the 3 triples with object "Onder de B: 1947" on predicate stempel_opmerking sorted by label

Subject	Predicate
?:Kaart_WFA1184	?:stempel_opmerking
?:Kaart_WFG377	?:stempel_opmerking
?:Kaart_WFV3841	?:stempel_opmerking