Should this be automated?

You've been asked to audit four processes at Acme Corp and recommend which one would benefit most from workflow automation. Each team describes their current process:

• Support team: "Every time a customer emails us, we manually copy the subject line and sender into a tracking spreadsheet — hundreds of times a day."
• Design team: "Each client sends us a unique creative brief, and we build a completely custom mockup from scratch every time."
• HR team: "We send the exact same onboarding packet to every new hire, but there's no consistent way we're notified — sometimes a manager emails us, sometimes it's a Slack message, sometimes someone just mentions it in a meeting."
• Analytics team: "People message us on Slack with one-off data questions, and we write a custom SQL query for each one — the requests are all different."

Based on the automation decision framework — repetitive, patterned, and trigger-ready — which process is the best candidate for workflow automation?