Who was the first person to pray for rain?

Soup (before? BC 1588): Also known as Cheng Tang and Shang Tang, founders of Shang Dynasty. This surname is Zi, also known as Tianyi, a native of Shangqiu, Henan Province, the son of Zhu Gui, the leader of Shang tribe. The name of the temple is Taizu, the Emperor of Shang Dynasty, who reigned for 16 17- 1588 BC, and * * * reigned for 30 years (of which 17 was the Shang Dynasty vassal and 13 was the Shang Dynasty king). He is a descendant of the Yellow Emperor, and his family lineage is: Huangdi-Shao Hao (Xuantao)-Gao E-Di Ku-Qi (about 2097 years ago? Years of service)-Zhaoming-Xiangtu-Changruo-Yu Cao-Ghost (former? Years-1875 years ago)-Wang Hai (also known as Zhen,1875 years ago-1775 years ago)-Shang Wei (1770 years ago-about1)