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-paul-graham/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

LangChainDatasets--question-answering-paul-graham/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:208abb756af6bf1a96fab7df84a6441d15c8b173361596de8f27c48e4b3f9d0a
+size 1060864