diff --git a/block_wrapper.py b/block_wrapper.py
index d305535..0a29eb0 100644
--- a/block_wrapper.py
+++ b/block_wrapper.py
@@ -111,9 +111,13 @@ def construct_sql(input_data):
                     replacement = "NULL"
                 elif isinstance(value, bool):
                     replacement = "TRUE" if value else "FALSE"
+                elif isinstance(value, (list, tuple)):
+                    # Serialize list/tuple safely to avoid quote issues in SQL.
+                    replacement = f"'{json.dumps(value)}'"
                 elif isinstance(value, str):
-                    # Escape quotes if needed, or just do naive single quote
-                    replacement = f"'{value}'"
+                    # Escape single quotes to keep SQL well-formed.
+                    sanitized = value.replace("'", "''")
+                    replacement = f"'{sanitized}'"
                 else:
                     replacement = str(value)
 
@@ -273,4 +277,4 @@ async def main():
         raise
 
 if __name__ == "__main__":
-    asyncio.run(main())
\ No newline at end of file
+    asyncio.run(main())