Update duckdb index files

.gitattributes

@@ -63,3 +63,4 @@ Pediatrics_Nelson/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Pathology_Robbins/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Pharmacology_Katzung/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Neurology_Adams/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Anatomy_Gray_summary/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Anatomy_Gray_summary/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d75ea42cd32e1337311aacddc6af7dbf13a463d16de364182a46a70f5a8560d4
+size 5517312