To test EchoQL, ask a clear question based on data from Jan 1–Dec 31, 2024, using one of four tables: mock_users (id, name, email, birthday), mock_questions (question_id, user_id, created_at, content), mock_answers (id, question_id, user_id, created_at, content), or mock_user_sessions (session_id, user_id, duration_min, session_date). Only questions referencing existing columns and valid dates will work—others trigger an error. Examples: “Total number of questions?”, “Who asked the most questions?”, “Oldest or youngest user?”, or “Total number of answers?” EchoQL checks schema, generates SQL, validates, and fetches results from BigQuery.
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