How to get the header also from the results of the SQL Query Engine ? I’m trying to get th

from llama_index.indices.struct_store.sql_query import NLSQLTableQueryEngine
from IPython.display import Markdown, display

query_engine = NLSQLTableQueryEngine(
    sql_database=sql_database,
    synthesize_response=False,
    tables=["github_issues", "github_comments", "github_users"],
)
query_str = (
    "Which issues have the most comments? Give the top 10 and use a join on url."
)
response = query_engine.query(query_str)
display(Markdown(f"<b>{response}</b>"))

sql_query = response.metadata["sql_query"]
display(Markdown(f"<b>{sql_query}</b>"))

from llama_index.indices.struct_store.sql_query import SQLTableRetrieverQueryEngine

query_engine = SQLTableRetrieverQueryEngine(
    sql_database,
    object_index.as_retriever(similarity_top_k=3),
    synthesize_response = False,
    # response_synthesis_prompt=sql_response_synthesis_prompt,
    service_context=service_context
)
response = query_engine.query("Give me the sales by each country")

import pandas as pd
from llama_index.query_engine import PandasQueryEngine

# Test on some sample data
df = pd.DataFrame(
    {"city": ["Toronto", "Tokyo", "Berlin"], "population": [2930000, 13960000, 3645000]}
)

query_engine = PandasQueryEngine(df=df, verbose=True)

from pydantic import BaseModel
from typing import List
from guidance.llms import OpenAI
from llama_index.program import GuidancePydanticProgram

class Song(BaseModel):
    title: str
    length_seconds: int

class Album(BaseModel):
    name: str
    artist: str
    songs: List[Song]

program = GuidancePydanticProgram(
    output_cls=Album,
    prompt_template_str="Generate an example album, with an artist and a list of songs. Using the movie {{movie_name}} as inspiration",
    guidance_llm=OpenAI("text-davinci-003"),
    verbose=True,
)