Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 rooftopcoder--coqa-squad-1.0-fixed/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+rooftopcoder--coqa-squad-1.0-fixed/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

rooftopcoder--coqa-squad-1.0-fixed/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:21e739b8ab3187dca4251ca9efe7593ee12163bd6c74bb674422e22daf788770
+size 274739200