Your D1 Database contains the following data:

> SELECT * FROM clients LIMIT 3;
[
  {
    "id": 1,
    "firstName": "Aida",
    "lastName": "Oliva Rossell",
    "telephone": "+34629403175",
    "email": "aidaoliva1997@gmail.com",
    "dob": "1997-05-25",
    "startDate": "2023-04-01",
    "staffEmail": "marcus.braun@lainsburgh.com",
    "reminderEmails": null,
    "status": "active",
    "att01": null,
    "att02": null,
    "att03": null,
    "att04": null,
    "att05": null,
    "att06": null,
    "att07": null,
    "att08": null,
    "att09": null,
    "att10": null,
    "att11": null,
    "att12": null,
    "created_at": "2025-10-24T04:54:54.113Z",
    "updated_at": "2025-10-24T04:54:54.113Z"
  },
  {
    "id": 2,
    "firstName": "Alina",
    "lastName": "Planus",
    "telephone": "+352661783151",
    "email": "alina_planus@hotmail.com",
    "dob": "1975-01-02",
    "startDate": "2023-06-12",
    "staffEmail": "alex.king@lainsburgh.com, henk.knoetze@lainsburgh.com",
    "reminderEmails": null,
    "status": "active",
    "att01": null,
    "att02": null,
    "att03": null,
    "att04": null,
    "att05": null,
    "att06": null,
    "att07": null,
    "att08": null,
    "att09": null,
    "att10": null,
    "att11": null,
    "att12": null,
    "created_at": "2025-10-24T04:54:54.267Z",
    "updated_at": "2025-10-24T04:54:54.267Z"
  },
  {
    "id": 3,
    "firstName": "Amanda",
    "lastName": "Ferneyhough",
    "telephone": "+352621388234",
    "email": "amandaferneyhough@gmail.com",
    "dob": "1989-05-08",
    "startDate": "2022-12-01",
    "staffEmail": "henk.knoetze@lainsburgh.com",
    "reminderEmails": null,
    "status": "active",
    "att01": null,
    "att02": null,
    "att03": null,
    "att04": null,
    "att05": null,
    "att06": null,
    "att07": null,
    "att08": null,
    "att09": null,
    "att10": null,
    "att11": null,
    "att12": null,
    "created_at": "2025-10-24T04:54:54.427Z",
    "updated_at": "2025-10-24T04:54:54.427Z"
  }
]