#154

Wi-Fi Availability per Cabin

The cabin catalog card needs a clear Wi-Fi indicator: YES if internet is available, NO if not. For each cabin output its id and this string. The output column should be named has_wifi.

Expected output sample

This is what a correct answer looks like — its row count is its own, it doesn't have to match the schema tables.

idhas_wifi
1YES
2YES
3YES

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