<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo URubén Alvarez owazalwa ngo - May 30, 1961 wayengumdlali wegalofu oqeqeshiwe wase-Argentina.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yomusho ithi Ruben Alvarez owazalwa ngo-30 Meyi 1961 wayengumdlali wegalufu oqeqeshiwe wase-Argentina owazalelwa ePilar, eBuenos Aires, wasebenza njenge-caddie eBuenos Aires, ngaphambi kokuguqula umsebenzi ngo-1986. 