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<hr>
<h3><span>Statement:</span> there are only three highest ranks listed in the table</h3>
<h3>Input Table: list of sumo record holders</h3>
<div class="step">
<div class="step">
<div class="step-title">Step 1: Select distinct values from the 'highest_rank' column.</div>
<div id="step-1" class="content">
<table>
<tr>
<td>name</td>
<td>total</td>
<td>first</td>
<td>last</td>
<td>highest_rank</td>
</tr>
<tr>
<td>kotonishiki</td>
<td>34</td>
<td>1990-09-01</td>
<td>1999-09-01</td>
<td>sekiwake</td>
</tr>
<tr>
<td>kaiō</td>
<td>32</td>
<td>1994-05-01</td>
<td>2000-07-01</td>
<td>ōzeki</td>
</tr>
<tr>
<td>musōyama</td>
<td>31</td>
<td>1994-03-01</td>
<td>2000-09-01</td>
<td>ōzeki</td>
</tr>
<tr>
<td>hasegawa</td>
<td>30</td>
<td>1965-11-01</td>
<td>1974-09-01</td>
<td>sekiwake</td>
</tr>
<tr>
<td>kotomitsuki</td>
<td>30</td>
<td>2001-01-01</td>
<td>2007-07-01</td>
<td>ōzeki</td>
</tr>
<tr>
<td>akinoshima</td>
<td>27</td>
<td>1988-11-01</td>
<td>2000-09-01</td>
<td>sekiwake</td>
</tr>
<tr>
<td>takamiyama</td>
<td>27</td>
<td>1969-11-01</td>
<td>1982-09-01</td>
<td>sekiwake</td>
</tr>
<tr>
<td>takatōriki</td>
<td>26</td>
<td>1991-05-01</td>
<td>2000-05-01</td>
<td>sekiwake</td>
</tr>
<tr>
<td>wakanosato</td>
<td>26</td>
<td>2000-11-01</td>
<td>2005-09-01</td>
<td>sekiwake</td>
</tr>
<tr>
<td>daikirin</td>
<td>22</td>
<td>1966-11-01</td>
<td>1970-09-01</td>
<td>ōzeki</td>
</tr>
<tr>
<td>tochiazuma ii</td>
<td>22</td>
<td>1997-07-01</td>
<td>2005-01-01</td>
<td>ōzeki</td>
</tr>
<tr>
<td>kisenosato</td>
<td>22</td>
<td>2006-07-01</td>
<td>2011-09-01</td>
<td>ōzeki</td>
</tr>
</table>
</div>
<hr>
<div class="step">
<div class="step-title">Step 2: Use a `CASE` statement to return TRUE if the number of distinct values is equal to 3, otherwise return FALSE.</div>
<div id="step-0" class="content">
<table>
<tr>
<td>highest_rank</td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">sekiwake</span></td>
</tr>
<tr>
<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">ōzeki</span></td>
</tr>
</table>
</div>
</div>
<hr>
<table>
<tr>
<td>verification_result</td>
</tr>
<tr>
<td>FALSE</td>
</tr>
</table>
</div>
</div>
<hr>
</body></html>
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