datav2/split_summary.json

{
  "train": {
    "rows": 8753,
    "sources": 261,
    "char_count": 21695964,
    "approx_tokens_4chars": 5423991
  },
  "validation": {
    "rows": 42,
    "sources": 3,
    "char_count": 100456,
    "approx_tokens_4chars": 25114
  }
}