Turn a Messy Spreadsheet Export Into Three Key Findings

Someone has sent over a spreadsheet with forty columns and asked what it shows, and you have five minutes before the call. This pulls out the three things that actually matter, in plain sentences, plus one thing worth double checking before anyone quotes it in a meeting.

<context>
You have a spreadsheet export with more columns and rows than anyone needs, and a deadline to tell someone what it actually shows. The data is: [paste a description or a sample of your spreadsheet data here].
</context>

<task>
**Summarise** the data into three key findings:
1. Identify the three most important patterns, totals, or outliers in the data
2. State each finding as one plain sentence a non-analyst would understand
3. Note one thing in the data that looks like it might be an error or needs checking before anyone relies on it
</task>

<output_format>
- Three key findings, numbered, one sentence each
- One worth double checking flag
- Tone: plain English, no spreadsheet jargon
- Length: under 120 words
</output_format>