Update duckdb index files

0x70DA--sci_summ/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:1f442e352803843b9ac0b246d8d770689f494ed9f79dcdb3f9041fb782759237
-size 249573376
+oid sha256:5f5c7600a098afef97cd7690389def89057880a5f8f45590fab431d401cbc14b
+size 249049088