Task: Sentence Expansion
Input (English): Virginia Wynette Pugh ( usually known as Tammy Wynette , May 5 , 1942 – April 6 , 1998 ) , was an American country music singer .
Output (English): Tammy Wynette ( ; born Virginia Wynette Pugh ; May 5 , 1942 – April 6 , 1998 ) , was an American country music singer-songwriter and one of country music 's best-known artists and biggest-selling female singers .