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:
Aeroput
Table title:
Fleet
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > registration </th><th colspan=1 rowspan=1 > type of plane </th><th colspan=1 rowspan=1 > introduced in the fleet </th><th colspan=1 rowspan=1 > re-registration </th><th colspan=1 rowspan=1 > name </th><th colspan=1 rowspan=1 > excluded </th><th colspan=1 rowspan=1 > note/coment </th></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAB </td><td colspan=1 rowspan=1 > Potez 29/2 </td><td colspan=1 rowspan=1 > 10 February 1928 </td><td colspan=1 rowspan=1 > X-SEBC UN-EBC UN-SAB YU-SAB </td><td colspan=1 rowspan=1 > Aeroput „Beograd“ </td><td colspan=1 rowspan=1 > 1937 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAC </td><td colspan=1 rowspan=1 > Potez 29/2 </td><td colspan=1 rowspan=1 > 10 February 1928 </td><td colspan=1 rowspan=1 > X-SECD UN-ECD UN-SAC YU-SAC </td><td colspan=1 rowspan=1 > Aeroput „Zagreb“ </td><td colspan=1 rowspan=1 > 1937 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAD </td><td colspan=1 rowspan=1 > Potez 29/2 </td><td colspan=1 rowspan=1 > 23 March 1928 </td><td colspan=1 rowspan=1 > X-SEDF UN-EDF UN-SAD YU-SAD </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1937 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAE </td><td colspan=1 rowspan=1 > Potez 29/2 </td><td colspan=1 rowspan=1 > 23 March 1928 </td><td colspan=1 rowspan=1 > X-SEFG UN-EFG UN-SAE YU-SAE </td><td colspan=1 rowspan=1 > Aeroput „Skoplje“ </td><td colspan=1 rowspan=1 > 1937 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAF </td><td colspan=1 rowspan=1 > Potez 29/2 </td><td colspan=1 rowspan=1 > 7 May 1929 </td><td colspan=1 rowspan=1 > UN-EGH UN-SAF YU-SAF </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1937 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAG </td><td colspan=1 rowspan=1 > Potez 29/2 </td><td colspan=1 rowspan=1 > 7 May 1929 </td><td colspan=1 rowspan=1 > UN-EHI UN-SAG YU-SAG </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1937 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAH </td><td colspan=1 rowspan=1 > Farman F.306 </td><td colspan=1 rowspan=1 > 31 December 1930 </td><td colspan=1 rowspan=1 > UN-SAH YU-SAH </td><td colspan=1 rowspan=1 > Aeroput „Podgorica“ </td><td colspan=1 rowspan=1 > 1933 </td><td colspan=1 rowspan=1 > Crashed near Ljubljana on 12 September 1933 </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAA </td><td colspan=1 rowspan=1 > de Havilland DH.80A Puss Moth </td><td colspan=1 rowspan=1 > 1 June 1931 </td><td colspan=1 rowspan=1 > UN-SAA YU-SAA G-ACDU </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1933 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAI </td><td colspan=1 rowspan=1 > de Havilland DH.60M Moth </td><td colspan=1 rowspan=1 > 29 July 1931 </td><td colspan=1 rowspan=1 > G-ABXM UN-SAI YU-SAI </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1941 </td><td colspan=1 rowspan=1 > Destroyed in April War on 6 April 1941 </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAK </td><td colspan=1 rowspan=1 > de Havilland DH.83 Fox Moth </td><td colspan=1 rowspan=1 > 5 October 1932 </td><td colspan=1 rowspan=1 > ZS-ADE G-ABZA UN-SAK YU-SAK </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1941 </td><td colspan=1 rowspan=1 > Destroyed in April War on 6 April 1941 </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAN </td><td colspan=1 rowspan=1 > Spartan Cruiser II </td><td colspan=1 rowspan=1 > 2 October 1933 </td><td colspan=1 rowspan=1 > G-ACJO YU-SAN </td><td colspan=1 rowspan=1 > Aeroput „Ljubljana“ </td><td colspan=1 rowspan=1 > 1941 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAO </td><td colspan=1 rowspan=1 > Spartan Cruiser II </td><td colspan=1 rowspan=1 > 9 May 1934 </td><td colspan=1 rowspan=1 > G-ACMW YU-SAO </td><td colspan=1 rowspan=1 > Aeroput „Sušak“ </td><td colspan=1 rowspan=1 > 1941 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-PCJ </td><td colspan=1 rowspan=1 > Breguet 19/10 </td><td colspan=1 rowspan=1 > 10 May 1934 </td><td colspan=1 rowspan=1 > YU-PCJ </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1937 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAP </td><td colspan=1 rowspan=1 > Spartan Cruiser II </td><td colspan=1 rowspan=1 > 24 May 1935 </td><td colspan=1 rowspan=1 > YU-SAP </td><td colspan=1 rowspan=1 > Aeroput „Niš“ </td><td colspan=1 rowspan=1 > 1936 </td><td colspan=1 rowspan=1 > Built under Spartan's licence for Aeroput by Zmaj aircraft company in Zemun. During the flight on line Belgrade – Podujevo – Skoplje on 15 September 1936 it made a forced landing due to an engine failure and was damaged slightly. </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAS </td><td colspan=1 rowspan=1 > de Havilland DH.89 Dragon Rapide </td><td colspan=1 rowspan=1 > 28 July 1936 </td><td colspan=1 rowspan=1 > G-AEKF YU-SAS </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1941 </td><td colspan=1 rowspan=1 > Captured in April War in 1941 </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAR </td><td colspan=1 rowspan=1 > Aeroput MMS-3 </td><td colspan=1 rowspan=1 > 1936 </td><td colspan=1 rowspan=1 > YU-SAR </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1941 </td><td colspan=1 rowspan=1 > Prototype. Destroyed in April War in 1941 </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-PEB </td><td colspan=1 rowspan=1 > Farman F.190 </td><td colspan=1 rowspan=1 > 1937 </td><td colspan=1 rowspan=1 > F-AJIA YU-PEB </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1941 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAT </td><td class="highlighted"  colspan=1 rowspan=1 > Caudron C.449 Goéland </td><td colspan=1 rowspan=1 > 29 April 1937 </td><td colspan=1 rowspan=1 > F-APKT YU-SAT CJ+XM? </td><td class="highlighted"  colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1941 </td><td colspan=1 rowspan=1 > Captured in April War in 1941 </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAU </td><td class="highlighted"  colspan=1 rowspan=1 > Caudron C.449 Goéland </td><td colspan=1 rowspan=1 > 22 July 1937 </td><td colspan=1 rowspan=1 > F-APKU YU-SAU </td><td class="highlighted"  colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1939 </td><td colspan=1 rowspan=1 > Damaged in 1939 </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAV </td><td colspan=1 rowspan=1 > Lockheed Model 10 Electra </td><td colspan=1 rowspan=1 > 26 July 1937 </td><td colspan=1 rowspan=1 > YU-SAV AX699 </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1941 </td><td colspan=1 rowspan=1 > Joined the RAF on 5 May 1941. Written off (damaged beyond repair) in Ismailia, Egypt on 23 December 1941. </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SBA </td><td colspan=1 rowspan=1 > Lockheed Model 10 Electra </td><td colspan=1 rowspan=1 > 26 July 1937 </td><td colspan=1 rowspan=1 > YU-SBA </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1941 </td><td colspan=1 rowspan=1 > Joined to the RAF on 5 May 1941. Written off (damaged beyond repair) in Kinci, Nigeria on 15 April 1941. </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SAZ </td><td colspan=1 rowspan=1 > Lockheed Model 10 Electra </td><td colspan=1 rowspan=1 > 1 June 1938 </td><td colspan=1 rowspan=1 > YU-SAZ </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1941 </td><td colspan=1 rowspan=1 > Destroyed in April War on 15 April 1941 </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SBB </td><td colspan=1 rowspan=1 > Lockheed Model 10 Electra </td><td colspan=1 rowspan=1 > 1 June 1938 </td><td colspan=1 rowspan=1 > YU-SBB AX701 </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1941 </td><td colspan=1 rowspan=1 > Joined the RAF on 2 May 1941. Damaged during landing on 25 August 1944 in Matariya, Egypt. </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SBC </td><td colspan=1 rowspan=1 > Lockheed Model 10 Electra </td><td colspan=1 rowspan=1 > 20 March 1939 </td><td colspan=1 rowspan=1 > YU-SBC </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1940 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SBD </td><td colspan=1 rowspan=1 > Lockheed Model 10 Electra </td><td colspan=1 rowspan=1 > 4 April 1939 </td><td colspan=1 rowspan=1 > YU-SBD </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1941 </td><td colspan=1 rowspan=1 > Destroyed in April War in 1941 </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SBE </td><td colspan=1 rowspan=1 > Lockheed Model 10 Electra </td><td colspan=1 rowspan=1 > 29 April 1939 </td><td colspan=1 rowspan=1 > YU-SBE </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1940 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > YU-SDA </td><td colspan=1 rowspan=1 > Lockheed Model 10 Electra </td><td colspan=1 rowspan=1 > 1 July 1939 </td><td colspan=1 rowspan=1 > YU-SDA AX700 </td><td colspan=1 rowspan=1 > Aeroput </td><td colspan=1 rowspan=1 > 1941 </td><td colspan=1 rowspan=1 > Joined the RAF on 5 May 1941. Crashed during forced landing on 14 June 1946 in Barrackpore near Calcutta, West Bengal, India. </td></tr>
</table>
Question:
How many Caudron C.449 Goéland planes did Aeroput buy?
Answer:
Aeroput bought two Caudron C.449 Goéland planes.