Update duckdb index files

vasugoel--K-12Corpus/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:e2d7fa1e1c2d00f28aa6cbe16f19fe07263bb28324be11fda8f352ce6592524c
-size 71577600
+oid sha256:cec24601fb4d11a47588eaf0eaf88abbeda154bb04741f64f761d83a9dbe6eed
+size 71839744