wouldnt your answer be 4 for the example your have posted?
<title>Excel Jeanie HTML</title><table style="padding-right: 2pt; padding-left: 2pt; font-size: 10pt; font-family: Arial,Arial; background-color: rgb(255, 255, 255);" border="1" cellpadding="0" cellspacing="0"> <colgroup> <col style="font-weight: bold; width: 30px;"> <col style="width: 64px;"> <col style="width: 64px;"></colgroup> <tbody> <tr style="font-weight: bold; font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;"> <td> </td> <td>A</td> <td>B</td></tr> <tr style="height: 17px;"> <td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">1</td> <td>coke</td> <td style="text-align: right;">4</td></tr> <tr style="height: 17px;"> <td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">2</td> <td>coke</td> <td> </td></tr> <tr style="height: 17px;"> <td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">3</td> <td>rum</td> <td> </td></tr> <tr style="height: 17px;"> <td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">4</td> <td>brandy</td> <td> </td></tr> <tr style="height: 17px;"> <td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">5</td> <td>rum</td> <td> </td></tr> <tr style="height: 17px;"> <td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">6</td> <td>vodka</td> <td> </td></tr> <tr style="height: 17px;"> <td style="font-size: 8pt; background-color: rgb(202, 202, 202); text-align: center;">7</td> <td>vodka</td> <td> </td></tr></tbody></table>
<table style="border-style: groove; border-color: rgb(0, 255, 0); font-size: 10pt; color: rgb(0, 0, 0); font-family: Arial; background-color: rgb(255, 252, 249);"> <tbody> <tr> <td>Spreadsheet Formulas</td></tr> <tr> <td> <table style="font-size: 9pt; font-family: Arial;" border="1" cellpadding="2" cellspacing="0"> <tbody> <tr style="font-size: 10pt; background-color: rgb(202, 202, 202);"> <td>Cell</td> <td>Formula</td></tr> <tr> <td>B1</td> <td>{=SUM(1/COUNTIF(A1:A7,A1:A7))}</td></tr></tbody></table></td></tr> <tr> <td>Formula Array:
Produce enclosing { } by entering
formula with CTRL+SHIFT+ENTER!</td></tr></tbody></table>