Tweaked compare_result to work with proper directory, updated rag python notebook prompt and vector stores to increase accuracy

src/evaluation/compare_result.py

@@ -1,6 +1,11 @@
 import math
+import sqlite3 as sql
 
 def compare_result(sample_query, sample_result, query_output):
+    # Create connection to sqlite3 database
+    connection = sql.connect('./nba-data/nba.sqlite')
+    cursor = connection.cursor()
+
     # Clean model output to only have the query output
     if query_output[0:8] == "SQLite:\n":
         query = query_output[8:]