Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+LangChainDatasets--question-answering-state-of-the-union/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

LangChainDatasets--question-answering-state-of-the-union/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:19fefc376cea8b1c688c658121e36358a72d41ced04cdde9c1e5c669952d1cc5
+size 1060864