Update retriever.py

retriever.py

@@ -164,19 +164,6 @@ class EnAgent:
 
         return answer
 
-    def find_country_with_min_athletes(self, text: str) -> Optional[str]:
-        matches = re.findall(r"\b([A-Z][a-z]+(?: [A-Z][a-z]+)?)\s*\((\d+)\)", text)
-        if not matches:
-            return None
-        min_count = min(int(c) for _, c in matches)
-        filtered = [country for country, count in matches if int(count) == min_count]
-        return sorted(filtered)[0] if filtered else None
-
-    def extract_ioc_code(self, country_name: str, ioc_text: str) -> Optional[str]:
-        pattern = re.compile(rf"{re.escape(country_name)}\s*\((\w{{3}})\)", re.IGNORECASE)
-        match = pattern.search(ioc_text)
-        return match.group(1).upper() if match else None
-
     def preprocess_question(self, question: str) -> str:
         question = question.strip().lower()
         question = re.sub(r"[^\w\s]", "", question)