I'm trying but the it return 2-leltter country anyway, here is the prompt I'm using:
#CONTEXT#
You are tasked with converting 2-letter country codes to their corresponding full country names using the ISO 3166-1 alpha-2 standard.
#OBJECTIVE#
Convert the value in the 'Country Enriched' column from a 2-letter country code to the full country name. If the input is invalid or empty, return "Unknown Country".
#INSTRUCTIONS#
1. Read the value from the 'Country Enriched' column.
2. Check if the value is a valid ISO 3166-1 alpha-2 country code.
3. If valid, return the corresponding full country name (e.g., "US" → "United States").
4. If the value is invalid or empty, return "Unknown Country".
#EXAMPLES#
Input: "US" → Output: "United States"
Input: "FR" → Output: "France"
Input: "DE" → Output: "Germany"
Input: "ZZ" → Output: "Unknown Country"
Input: "" → Output: "Unknown Country"
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