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            "categoryTitle": "Database",
            "boundTopicId": 1118829,
            "title": "The Number of Rich Customers",
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            "sampleTestCase": "{\"headers\":{\"Store\":[\"bill_id\",\"customer_id\",\"amount\"]},\"rows\":{\"Store\":[[6,1,549],[8,1,834],[4,2,394],[11,3,657],[13,3,257]]}}",
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                "insert into Store (bill_id, customer_id, amount) values ('8', '1', '834')",
                "insert into Store (bill_id, customer_id, amount) values ('4', '2', '394')",
                "insert into Store (bill_id, customer_id, amount) values ('11', '3', '657')",
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