Replace YAML keys from int to str

Replace YAML metadata integer keys with strings, as the Hub does not support integers.
See: https://github.com/huggingface/datasets/issues/5275

README.md

@@ -1,15 +1,14 @@
 ---
 annotations_creators:
 - expert-generated
-language:
-- en
 language_creators:
 - expert-generated
+language:
+- en
 license:
 - unknown
 multilinguality:
 - monolingual
-pretty_name: Text Retrieval Conference Question Answering
 size_categories:
 - 1K<n<10K
 source_datasets:
@@ -19,6 +18,7 @@ task_categories:
 task_ids:
 - multi-class-classification
 paperswithcode_id: trecqa
+pretty_name: Text Retrieval Conference Question Answering
 dataset_info:
   features:
   - name: text
@@ -27,66 +27,66 @@ dataset_info:
     dtype:
       class_label:
         names:
-          0: ABBR
-          1: ENTY
-          2: DESC
-          3: HUM
-          4: LOC
-          5: NUM
+          '0': ABBR
+          '1': ENTY
+          '2': DESC
+          '3': HUM
+          '4': LOC
+          '5': NUM
   - name: fine_label
     dtype:
       class_label:
         names:
-          0: ABBR:abb
-          1: ABBR:exp
-          2: ENTY:animal
-          3: ENTY:body
-          4: ENTY:color
-          5: ENTY:cremat
-          6: ENTY:currency
-          7: ENTY:dismed
-          8: ENTY:event
-          9: ENTY:food
-          10: ENTY:instru
-          11: ENTY:lang
-          12: ENTY:letter
-          13: ENTY:other
-          14: ENTY:plant
-          15: ENTY:product
-          16: ENTY:religion
-          17: ENTY:sport
-          18: ENTY:substance
-          19: ENTY:symbol
-          20: ENTY:techmeth
-          21: ENTY:termeq
-          22: ENTY:veh
-          23: ENTY:word
-          24: DESC:def
-          25: DESC:desc
-          26: DESC:manner
-          27: DESC:reason
-          28: HUM:gr
-          29: HUM:ind
-          30: HUM:title
-          31: HUM:desc
-          32: LOC:city
-          33: LOC:country
-          34: LOC:mount
-          35: LOC:other
-          36: LOC:state
-          37: NUM:code
-          38: NUM:count
-          39: NUM:date
-          40: NUM:dist
-          41: NUM:money
-          42: NUM:ord
-          43: NUM:other
-          44: NUM:period
-          45: NUM:perc
-          46: NUM:speed
-          47: NUM:temp
-          48: NUM:volsize
-          49: NUM:weight
+          '0': ABBR:abb
+          '1': ABBR:exp
+          '2': ENTY:animal
+          '3': ENTY:body
+          '4': ENTY:color
+          '5': ENTY:cremat
+          '6': ENTY:currency
+          '7': ENTY:dismed
+          '8': ENTY:event
+          '9': ENTY:food
+          '10': ENTY:instru
+          '11': ENTY:lang
+          '12': ENTY:letter
+          '13': ENTY:other
+          '14': ENTY:plant
+          '15': ENTY:product
+          '16': ENTY:religion
+          '17': ENTY:sport
+          '18': ENTY:substance
+          '19': ENTY:symbol
+          '20': ENTY:techmeth
+          '21': ENTY:termeq
+          '22': ENTY:veh
+          '23': ENTY:word
+          '24': DESC:def
+          '25': DESC:desc
+          '26': DESC:manner
+          '27': DESC:reason
+          '28': HUM:gr
+          '29': HUM:ind
+          '30': HUM:title
+          '31': HUM:desc
+          '32': LOC:city
+          '33': LOC:country
+          '34': LOC:mount
+          '35': LOC:other
+          '36': LOC:state
+          '37': NUM:code
+          '38': NUM:count
+          '39': NUM:date
+          '40': NUM:dist
+          '41': NUM:money
+          '42': NUM:ord
+          '43': NUM:other
+          '44': NUM:period
+          '45': NUM:perc
+          '46': NUM:speed
+          '47': NUM:temp
+          '48': NUM:volsize
+          '49': NUM:weight
   splits:
   - name: train
     num_bytes: 385090