I need to identify the categorical columns in this dataset and find their most common values with frequencies. Let me start by inspecting the columns to understand their types and characteristics: ```json { "action": "tool_call", "reasoning": "I need to inspect the columns to identify which are categorical and understand their data types. The card shows all columns as VARCHAR, but I need to see their semantic roles and distinct counts to identify true categorical columns versus numeric columns stored as text.", "tool": "inspect_columns", "args": { "table": "callyeah_analytics_2026_07_23" } } ```