<prompt> Translate the following text to SwahiliAfter King Birendra became sovereign in 1972 tenth in the line of Shah rulers since King Prithvi the Great a referendum in which all Nepalis over 21 were eligible to vote confirmed the popular preference for the panchayat system over a return to multi-party democracy.  <response>: Baada ya Mfalme Birendra kuwa mfalme mnamo 1972, wa kumi katika mstari wa watawala wa Shah tangu Mfalme Prithvi Mkuu, kura ya maoni ambayo Wanepal wote zaidi ya miaka 21 walikuwa na haki ya kupiga kura ilithibitisha upendeleo wa umma kwa mfumo wa panchayat juu ya kurudi kwa demokrasia ya vyama vingi. 