Question: Who was the father of the person who led the first expedition to reach Asia by sailing west across the body of water David Ishii's birthplace is located in?

full_context: Document 1: Geography of the United States: In the east, while snowfall does not approach western levels, the region near the Great Lakes and the mountains of the Northeast receive the most. Along the northwestern Pacific coast, rainfall is greater than anywhere else in the continental U.S., with Quinault Rainforest in Washington having an average of 137 inches (348 cm). Hawaii receives even more, with 460 inches (1,168 cm) measured annually on Mount Waialeale, in Kauai. The Mojave Desert, in the southwest, is home to the driest locale in the U.S. Yuma, Arizona, has an average of 2.63 inches (6.7 cm) of precipitation each year.
Document 2: Antonio Possevino: Recent scholarship has identified Antonio Possevino's family as New Christians admitted to the learned circles of the court of Renaissance Mantua and its Gonzaga dukes. His father was Piedmontese from Asti and moved to Mantua where he joined the guild of goldsmiths. The family name was changed from Cagliano (Caliano) and had three sons, Giovanni Battista, Antonio and Giorgio. His mother nursed her son Antonio in 1533 together with Francesco III Gonzaga, Duke of Mantua.
Document 3: Hanalei River: The Hanalei River on the island of Kauai in Hawaii flows north from the eastern slopes of Mount Waialeale for until it reaches the Pacific Ocean at Hanalei Bay as an estuary. With a long-term mean discharge of 216 cubic feet (6.12 cubic meters) per second, in terms of water flow it is the second-largest river in the state; although its watershed of is only sixth-largest on Kauai, it encompasses areas of the highest recorded rainfall on the planet and plunges precipitously from its headwaters at above sea level.
Document 4: Portuguese India: The first viceroy, Francisco de Almeida, established his headquarters in Cochin (Cochim, Kochi). Subsequent Portuguese governors were not always of viceroy rank. After 1510, the capital of the Portuguese viceroyalty was transferred to Goa. Until the 18th century, the Portuguese governor in Goa had authority over all Portuguese possessions in the Indian Ocean, from southern Africa to southeast Asia. In 1752 Mozambique got its own separate government and in 1844 the Portuguese Government of India stopped administering the territory of Macau, Solor and Timor, and its authority was confined to the colonial holdings on the Malabar coast of present - day India.
Document 5: Jason Hu: Hu attended, then known as Big Tiger. He had relatively low friends, but that didn't matter. All that Jason Hu cared about was success. After graduating from Taichung Municipal First High School, then known as Chu-jen (居仁, Hanyu Pinyin: Juren) High School, Jason Hu attended National Chengchi University where he studied in the Diplomatic Studies Department, graduating in 1970. He attended the University of South Carolina from 1971–73 and pursued a master's degree in international studies but had to withdraw due to his father's ailing health. He later studied in the United Kingdom, first to the University of Southampton, where he studied International Relations, then to Balliol College, University of Oxford, where he received his PhD in International Relations in 1984.
Document 6: David Ishii: Ishii grew up on the island of Kauai in Hawaii and graduated from Kauai High School. As a junior in high school, he won the Hawaii State High School Championship. Ishii played his collegiate golf at the University of Houston from 1974 to 1977. He won four individual events, was a member of the 1977 NCAA Championship team, and was a 1977 All-American.
Document 7: Chronology of European exploration of Asia: The Portuguese Vasco da Gama, accompanied by Nicolau Coelho and Bartolomeu Dias, is the first European to reach India by an all - sea route from Europe.
Document 8: Vasco da Gama: Vasco da Gama's father was Estêvão da Gama, who had served in the 1460s as a knight of the household of Infante Ferdinand, Duke of Viseu. He rose in the ranks of the military Order of Santiago. Estêvão da Gama was appointed "alcaide-mór" (civil governor) of Sines in the 1460s, a post he held until 1478; after that he continued as a receiver of taxes and holder of the Order's commendas in the region.
Document 9: Chronology of European exploration of Asia: 1497 - 1499 The Portuguese Vasco da Gama, accompanied by Nicolau Coelho and Bartolomeu Dias, is the first European to reach India by an all - sea route from Europe.
Document 10: Waihilau Falls: Waihilau Falls is a waterfall in the Waimanu Valley, in the U.S. state of Hawaii. It is the third-tallest waterfall in Hawaii and the thirteenth-highest in the world at in height.
Document 11: Portuguese discovery of the sea route to India: The discovery of the sea route to India is the description sometimes used in Europe and among the Portuguese for the first recorded trip made directly from Europe to India via the Atlantic Ocean. It was undertaken under the command of Portuguese explorer Vasco da Gama during the reign of King Manuel I in 1497 - 1499. Considered by Europe to be one of the most remarkable voyages of the Age of Discovery, it consolidated the Portuguese maritime presence in Indian Ocean and that country's dominance of global trade routes.
Document 12: Portuguese discovery of the sea route to India: The discovery of the sea route to India is the description sometimes used in Europe and among the Portuguese for the first recorded trip made directly from Europe to India via the Atlantic Ocean. It was undertaken under the command of Portuguese explorer Vasco da Gama during the reign of King Manuel I in 1497 - 1499. Considered by Europe to be one of the most remarkable voyages of the Age of Discovery, it consolidated the Portuguese maritime presence in Pacific Ocean and that country's dominance of global trade routes.
Document 13: Isami Doi: Doi was the first son of Japanese immigrants, born in Ewa on the island of Oahu in the Hawaiian Islands in 1903. He moved with his family to the island of Kauai, and he thereafter considered Kalaheo, Kauai his home.
Document 14: Dave Haight: Dave Haight (April 11, 1966 in Dyersville, Iowa) was a college football player for the University of Iowa. He was the Big Ten’s Defensive Lineman of the Year as a junior in 1987, and he was named a first team All-American the following year.
Document 15: Vasco da Gama: Vasco da Gama, 1st Count of Vidigueira (Portuguese pronunciation: (ˈvaʃku ðɐ ˈɣɐmɐ); c. 1460s -- 24 December 1524), was a Portuguese explorer and the first European to reach India by sea. His initial voyage to India (1497 -- 1499) was the first to link Europe and Asia by an ocean route, connecting the Atlantic and the Indian oceans and therefore, the West and the Orient.
ground_truth: Estêvão da Gama
sub_queries: David Ishii >> place of birth Answer: Kauai
Kauai >> located in or next to body of water Answer: Pacific Ocean
who led the first expedition to reach asia by sailing west across Pacific Ocean Answer: Vasco da Gama
Who fathered Vasco da Gama ? Answer: Estêvão da Gama