Text-to-Cypher चेन बनाना

prompt = ChatPromptTemplate.from_messages([
    SystemMessagePromptTemplate.from_template(""" 
		You are an expert Neo4j developer. Use the following database schema to write a Cypher statement to answer the user's question. Only generate the Cypher statement, no pre-amble. Do not return any Markdown.
	Schema: 
    {schema}
    
	Question: {question}""", 
	# Update the partial_variables dictionary
    partial_variables={"schema": graph.____})
])

# Create the text-to-Cypher chain
text_to_cypher_chain = ____ | ____ | StrOutputParser()
cypher = text_to_cypher_chain.invoke({"question": "Where does Jo Cornelissen work?"})
print(cypher)