Question: Samavati was one of the queens of King Udena of Kosambi, Samavati became so gladdened by Khujjuttara's discourse, she invited which ascetic (śramaṇa) and sage, on whose teachings Buddhism was founded, and his monks regularly to the palace to preach the Dharma to her and her 500 ladies in waiting?
Sentence (from "Gautama Buddha"): He is believed to have lived and taught mostly in the eastern part of ancient India sometime between the sixth and fourth centuries BCE.
Relevant evidence: No