Serve Parquet so dates stay dates: a JSON date was being read as a timestamp and returned with a time component

README.md

@@ -17,7 +17,7 @@ configs:
   - config_name: default
     data_files:
       - split: test
-        path: oracles.jsonl
+        path: oracles.parquet
 dataset_info:
   config_name: default
   features:

oracles.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f6269722264e95eb2b0bdf3f07cd6c9648eca0e72ae306919ba6361d509db922
+size 3701827