The template
Subject: Re: {query title}
Hi {first name},
Responding to your request for {what they asked for}.
{Direct answer to their question, two to four sentences, with a specific example or number.}
{Optional: a second short point if they asked more than one question.}
{Your full name}, {title} at {company}. {One line on why you're qualified.}
{Company site} | {LinkedIn or headshot link if they asked}
Happy to answer follow-ups before your deadline.
{your first name}