Update duckdb index files

.gitattributes

@@ -59,3 +59,4 @@ stackmathqa200k/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 stackmathqa400k/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 stackmathqa800k/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 preprocessed-qalist/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+preprocessed-1q1a/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

preprocessed-1q1a/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b9ae49bece55a77c8a0694c553de1b9fc45493ba18d067dbe4e375ef9c7a7de3
+size 7353151488