Table:
text: Ryukyuan missions to Edo
Missions Table
Ryūkyūan Missions to Edo
Year_ Mission_type Shogun Ryūkyūan_King Lead_Envoy Number_in_entourage
1748 Congratulation Tokugawa Ieshige Shō Kei Prince Gushikawa 98
1752 Gratitude Tokugawa Ieshige Shō Boku Prince Nakijin 94
1764 Congratulation Tokugawa Ieharu Shō Boku Prince Yomitanzan 96
1790 Congratulation Tokugawa Ienari Shō Boku Prince Ginowan 96
1796 Gratitude Tokugawa Ienari Shō On Prince Ōgimi 97
1806 Gratitude Tokugawa Ienari Shō Kō Prince Yomitanzan 97
1832 Gratitude Tokugawa Ienari Shō Iku Prince Tomigusuku 78
1842 Congratulation Tokugawa Ieyoshi Shō Iku Prince Urasoe 99
1850 Gratitude Tokugawa Ieyoshi Shō Tai Prince Tamakawa 99

Question: Who was the leading envoy among the Ryukyuan missions to Edo with the Ryūkyūan king Shō kō?