Question: What was the debut single by the singer of the 2009 single "I'll Just Hold On"?
Sentence (from "Natsuyo Ishinoda"): Natsuyo Ishinoda (石野田 奈津代 , "Ishinoda Natsuyo" , born April 28, 1980) , is a Japanese singer-songwriter from Kōzu-shima in the Izu Islands in Tokyo.
Relevant evidence: No