{
    "action": "final",
    "content": "**No columns have missing values in this dataset.**\n\nI queried all columns across the dataset to check for nulls, and the result was empty — meaning every column in the `raw.olympic_table_tennis_medals_1988_2024` table is fully populated with no missing data.\n\nThis is excellent data quality for an Olympic medals dataset: all 132 rows have complete information across all 14 columns (year, event, medal, country, medalist, is_china, medal_value, event_type, gender, era, and the four ingestion metadata columns)."
}