Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Basketball Association of America
Table title:
League championships
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Champion </th><th colspan=1 rowspan=1 > Final score </th><th colspan=1 rowspan=1 > Losing finalist </th><th colspan=1 rowspan=1 > Ref. </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1947 </td><td class="highlighted"  colspan=1 rowspan=1 > Philadelphia Warriors </td><td colspan=1 rowspan=1 > 4–1 </td><td colspan=1 rowspan=1 > Chicago Stags </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1948 </td><td class="highlighted"  colspan=1 rowspan=1 > Baltimore Bullets </td><td colspan=1 rowspan=1 > 4–2 </td><td colspan=1 rowspan=1 > Philadelphia Warriors </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1949 </td><td class="highlighted"  colspan=1 rowspan=1 > Minneapolis Lakers </td><td colspan=1 rowspan=1 > 4–2 </td><td colspan=1 rowspan=1 > Washington Capitols </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
Who were the first three winners of the BAA championship and in what years?
Answer:
The Philadelphia Warriors won the inaugural BAA championship in 1947, followed by the Baltimore Bullets and the Minneapolis Lakers in 1948 and 1949, respectively.