Update questions data

data/questions/2/answer.txt

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+Andhra Pradesh

data/questions/2/code.py

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+def true_code():
+    import pandas as pd
+    
+    df = pd.read_csv('data/raw_data/Data.csv', sep=",")
+    
+    data = df[df['PM2.5'] > 300]
+    ans = data.groupby(['state', 'station']).value_counts().idxmax()[0]
+    print(ans)
+
+true_code()

data/questions/2/metadata.json

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+{
+    "question_id": 2,
+    "category": "spatial",
+    "answer_category": "single",
+    "plot": false,
+    "libraries": [
+        "pandas"
+    ]
+}

data/questions/2/question.txt

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+Which state had the most days with hazardous PM2.5 levels (above 300 µg/m³)?