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:
Frosinone Calcio
Table title:
League
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Level </th><th colspan=1 rowspan=1 > Category </th><th colspan=1 rowspan=1 > Participation </th><th colspan=1 rowspan=1 > Debut </th><th colspan=1 rowspan=1 > Final season </th><th colspan=1 rowspan=1 > Total </th></tr>
<tr> <td colspan=1 rowspan=1 > 1° </td><td colspan=1 rowspan=1 > Serie A </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 2015–16 </td><td colspan=1 rowspan=1 > 2018–19 </td><td colspan=1 rowspan=1 > 2 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2° </td><td colspan=1 rowspan=1 > Serie B </td><td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 > 2006–07 </td><td colspan=1 rowspan=1 > 2017–18 </td><td colspan=1 rowspan=1 > 8 </td></tr>
<tr> <td colspan=1 rowspan=4 > 3° </td><td colspan=1 rowspan=1 > Prima Divisione </td><td colspan=1 rowspan=1 > 1 </td><td colspan=2 rowspan=1 > 1934–35 </td><td colspan=1 rowspan=4 > 14 </td></tr>
<tr> <td colspan=1 rowspan=1 > Serie C </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > 1947–48 </td><td colspan=1 rowspan=1 > 1974–75 </td></tr>
<tr> <td colspan=1 rowspan=1 > Serie C1 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 1987–88 </td><td colspan=1 rowspan=1 > 2005–06 </td></tr>
<tr> <td colspan=1 rowspan=1 > Lega Pro Prima Divisione </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 2011–12 </td><td colspan=1 rowspan=1 > 2013–14 </td></tr>
<tr> <td colspan=1 rowspan=6 > 4° </td><td class="highlighted"  colspan=1 rowspan=1 > Promozione </td><td colspan=1 rowspan=1 > 4 </td><td class="highlighted"  colspan=1 rowspan=1 > 1948–49 </td><td class="highlighted"  colspan=1 rowspan=1 > 1951–52 </td><td colspan=1 rowspan=6 > 37 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > IV Serie </td><td colspan=1 rowspan=1 > 5 </td><td class="highlighted"  colspan=1 rowspan=1 > 1952–53 </td><td colspan=1 rowspan=1 > 1956–57 </td></tr>
<tr> <td colspan=1 rowspan=1 > Campionato Interregionale – 1ª Cat. </td><td colspan=1 rowspan=1 > 1 </td><td colspan=2 rowspan=1 > 1957–58 </td></tr>
<tr> <td colspan=1 rowspan=1 > Campionato Interregionale </td><td colspan=1 rowspan=1 > 1 </td><td colspan=2 rowspan=1 > 1958–59 </td></tr>
<tr> <td colspan=1 rowspan=1 > Serie D </td><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 > 1963–64 </td><td colspan=1 rowspan=1 > 1977–78 </td></tr>
<tr> <td colspan=1 rowspan=1 > Serie C2 </td><td colspan=1 rowspan=1 > 16 </td><td colspan=1 rowspan=1 > 1978–79 </td><td colspan=1 rowspan=1 > 2003–04 </td></tr>
<tr> <td colspan=1 rowspan=3 > 5° </td><td colspan=1 rowspan=1 > Serie D </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 1979–80 </td><td colspan=1 rowspan=1 > 2000–01 </td><td colspan=1 rowspan=3 > 8 </td></tr>
<tr> <td colspan=1 rowspan=1 > Campionato Interregionale </td><td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > 1990–91 </td><td colspan=1 rowspan=1 > 1991–92 </td></tr>
<tr> <td colspan=1 rowspan=1 > Campionato Nazionale Dilettanti </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 1992–93 </td><td colspan=1 rowspan=1 > 1999–2000 </td></tr>
</table>
Question:
What was the course of Canarini from 1948 to 1952?
Answer:
From 1948–49 to 1951–52, Canarini competed in the Promozione, and later in the Serie in 1952.