<prompt> Ramba uchiverenga ndima iyi - Musi waFebruary 12, 1974, Watanabe akatanga kutamba nechikwata chenyika yeJapan vachirwa neSingapore. Muna September, akasarudzwa muJapan nokuda kweMitambo yeAsia ya1974  <response>: . Akatambawo mumakwikwi e1976 Summer Olympics. Akatamba mitambo 28 uye akarova zvibodzwa 4 zveJapan kusvika 1979. 