Question: When did the father of Qian Hongzuo die?

full_context: Document 1: Wang Yuanying: Wang Yuanying (王元膺) (892 – August 13, 913), courtesy name Changmei (昌美), né Wang Zongyi (王宗懿), named Wang Yuantan (王元坦) from 910 to 912, was a crown prince of the Chinese Five Dynasties and Ten Kingdoms period state Former Shu, during most of the reign of his father, the founding emperor Wang Jian (Emperor Taizu). He was killed during an uprising he started against the powerful official Tang Daoxi and posthumously demoted to commoner rank.
Document 2: Xu Xinyue: Xu Xinyue (; 902?-August 1, 946), formally the Lady Renhui of Wuyue (吳越國仁惠夫人), was a concubine, possibly later a wife, of Qian Yuanguan (King Wenmu) (né Qian Chuanguan, name changed to Qian Yuanguan upon his succession to the throne), the second king of the Chinese state Wuyue of the Five Dynasties and Ten Kingdoms period, and the mother to his son and successor Qian Hongzuo (King Wenxian).
Document 3: Wang Jipeng: Wang Jipeng (王繼鵬) (d. August 29, 939), used the name Wang Chang (王昶) from 935 to 939, formally Emperor Kangzong of Min (閩康宗), was an emperor of the Chinese Five Dynasties and Ten Kingdoms Period state Min. He inherited the throne after his father Wang Yanjun (Emperor Huizong, later also known as Wang Lin) was assassinated, possibly at his instigation. He himself was in turn killed in a coup headed by his uncle Wang Yanxi (Emperor Jingzong, later also known as Wang Xi), who succeeded him.
Document 4: Qian Yuanguan: Qian Yuanguan (錢元瓘) (November 30, 887 – September 17, 941), born Qian Chuanguan (錢傳瓘), formally King Wenmu of Wuyue (吳越文穆王), courtesy name Mingbao (明寶), was the second king of the state of Wuyue, during the Five Dynasties and Ten Kingdoms period of China. During his reign, his kingdom was centred on modern Zhejiang. He ascended to the throne in 932, when his father Qian Liu (King Wusu) left the state in his hands, to 941. He was the father to all three of Wuyue's subsequent kings.
Document 5: Han dynasty: After Cao's defeat at the naval Battle of Red Cliffs in 208 AD, China was divided into three spheres of influence, with Cao Cao dominating the north, Sun Quan (182–252 AD) dominating the south, and Liu Bei (161–223 AD) dominating the west. Cao Cao died in March 220 AD. By December his son Cao Pi (187–226 AD) had Emperor Xian relinquish the throne to him and is known posthumously as Emperor Wen of Wei. This formally ended the Han dynasty and initiated an age of conflict between three states: Cao Wei, Eastern Wu, and Shu Han.
Document 6: Lady Chen (Wusu): Qian Liu died in 932, and Qian Chuanguan took over administration of the state (and changed his name to Qian Yuanguan), although for some time did not use the title of King of Wuyue but instead referred to himself by the military governor title (and, in succession, the Later Tang-bestowed titles of Prince of Wu and Prince of Yue) when reporting to Later Tang, to whom Wuyue was a vassal. (He would assume the king title only years after Lady Chen's death, in 937.) It was said that Qian Yuanguan was respectful and filially pious toward his mother. He also treated her family well, presenting them with many gifts, but never gave them offices on account of her. She died in the early "Qingtai" era (934-936) of the Later Tang emperor Li Congke and was posthumously created the Lady Dowager of Jin, with the posthumous name of "Zhaoyi" ("accomplished and benevolent").
Document 7: Lady Ma (Qian Yuanguan's wife): Lady Ma (馬夫人, personal name unknown) (890-November 28, 939), formally the Lady Gongmu of Wuyue (吳越國恭穆夫人), was a wife of Qian Yuanguan (King Wenmu) (né Qian Chuanguan, name changed to Qian Yuanguan upon his succession to the throne), the second king of the Chinese state Wuyue of the Five Dynasties and Ten Kingdoms period.
Document 8: Sino-Tibetan relations during the Ming dynasty: However, Lok-Ham Chan, a professor of history at the University of Washington, writes that Changchub Gyaltsen's aims were to recreate the old Tibetan Kingdom that existed during the Chinese Tang dynasty, to build "nationalist sentiment" amongst Tibetans, and to "remove all traces of Mongol suzerainty." Georges Dreyfus, a professor of religion at Williams College, writes that it was Changchub Gyaltsen who adopted the old administrative system of Songtsän Gampo (c. 605–649)—the first leader of the Tibetan Empire to establish Tibet as a strong power—by reinstating its legal code of punishments and administrative units. For example, instead of the 13 governorships established by the Mongol Sakya viceroy, Changchub Gyaltsen divided Central Tibet into districts (dzong) with district heads (dzong dpon) who had to conform to old rituals and wear clothing styles of old Imperial Tibet. Van Praag asserts that Changchub Gyaltsen's ambitions were to "restore to Tibet the glories of its Imperial Age" by reinstating secular administration, promoting "national culture and traditions," and installing a law code that survived into the 20th century.
Document 9: Cao Zhongda: Cao Zhongda (曹仲達) (882-943), né Cao Hongda (曹弘達), was an official of the Chinese Five Dynasties and Ten Kingdoms Period state Wuyue, serving as a chancellor during the reigns of its second king Qian Yuanguan and third king Qian Hongzuo.
Document 10: Qian Hongzun: Qian Hongzun (錢弘僔) (925－June 7, 940), formally Heir Apparent Xiaoxian (孝獻世子, "the filial and wise heir apparent"), was an heir apparent to the throne of the Chinese Five Dynasties and Ten Kingdoms Period state Wuyue during most of the reign of his father Qian Yuanguan (né Qian Chuanguan, King Wenmu), but did not inherit the throne on account of his predeceasing his father.
Document 11: Meng Xuanzhe: Meng Xuanzhe (孟玄喆) (937–991), courtesy name Zunsheng (遵聖), formally the Duke of Teng (滕國公), was a crown prince of the Chinese Five Dynasties and Ten Kingdoms Period state Later Shu under his father Meng Chang, the last emperor of the state. After Later Shu was destroyed by Song Dynasty, Meng Xuanzhe served as a general and official for Song.
Document 12: Li Congyan: Li Congyan (李從曮) (898 – November 26, 946), né Li Jiyan (李繼曮) (name changed 926), formally the Prince of Qi (岐王), was a son and the heir of Li Maozhen, the only ruler of the Chinese Five Dynasties and Ten Kingdoms period state Qi. After Li Maozhen submitted to Later Tang and died shortly after, he continued to control the former Qi territory, as a Later Tang vassal, and subsequently served as a general for both Later Tang and its successor state Later Jin.
Document 13: Li Congyi: Li Congyi (李從益) (931 – June 23, 947), known as the Prince of Xu (許王), was an imperial prince of the Chinese Five Dynasties and Ten Kingdoms Period state Later Tang. He was the youngest son of its second emperor Li Siyuan (Emperor Mingzong). In the confusion of the destruction of Later Tang's successor state Later Jin, he was forced into claiming imperial title by Xiao Han, a general of the Khitan Liao Dynasty (whose forces had destroyed Later Jin), and was subsequently killed by Liu Zhiyuan, the founder of the succeeding Later Han.
Document 14: Confucius: In Confucius's time, the state of Lu was headed by a ruling ducal house. Under the duke were three aristocratic families, whose heads bore the title of viscount and held hereditary positions in the Lu bureaucracy. The Ji family held the position ``Minister over the Masses '', who was also the`` Prime Minister''; the Meng family held the position ``Minister of Works ''; and the Shu family held the position`` Minister of War''. In the winter of 505 BC, Yang Hu -- a retainer of the Ji family -- rose up in rebellion and seized power from the Ji family. However, by the summer of 501 BC, the three hereditary families had succeeded in expelling Yang Hu from Lu. By then, Confucius had built up a considerable reputation through his teachings, while the families came to see the value of proper conduct and righteousness, so they could achieve loyalty to a legitimate government. Thus, that year (501 BC), Confucius came to be appointed to the minor position of governor of a town. Eventually, he rose to the position of Minister of Crime.
Document 15: Hokkien: In 677 (during the reign of Emperor Gaozong), Chen Zheng (陳政), together with his son Chen Yuanguang (陳元光), led a military expedition to pacify the rebellion in Fujian. They settled in Zhangzhou and brought the Middle Chinese phonology of northern China during the 7th century into Zhangzhou; In 885, (during the reign of Emperor Xizong of Tang), the two brothers Wang Chao (王潮) and Wang Shenzhi (王審知), led a military expedition force to pacify the Huang Chao rebellion. They brought the Middle Chinese phonology commonly spoken in Northern China into Zhangzhou. These two waves of migrations from the north generally brought the language of northern Middle Chinese into the Fujian region. This then gradually evolved into the Zhangzhou dialect.
ground_truth: 941
sub_queries: Qian Hongzuo >> father Answer: Qian Yuanguan
On what date did Qian Yuanguan expire? Answer: 941