get values before certain date in sql
<p>i have one question about get multi rows before the date getting infection:</p>

<pre><code>patientID   Appt_reason dateofProcedure
1                        1/2/2016
1                        1/3/2016
1             infectoin  1/4/2016
2                        3/1/2016
2                        3/3/2016
3                        3/4/2016
3             infectoin  3/5/2016
3                        3/6/2016
3                        3/7/2016
5                        2/2/2016
5             infectoin  2/3/2016
5                        2/4/2016   
</code></pre>

<p>I need to get rows like this</p>

<pre><code>patientID   Appt_reason dateofProcedure
1                       1/2/2016
1                       1/3/2016
1          infectoin    1/4/2016
3                       3/4/2016
3          infectoin    3/5/2016
5                       2/2/2016
5          infectoin    2/3/2016
</code></pre>

<p>anybody know the answer? thanks</p>