Question: When is Joseph Williams (Musician)'s father's birthday?
Sentence (from "Joseph Williams (musician)"): Joseph Stanley Williams (born September 1, 1960) is an American singer, songwriter and film score composer, best known for his work in the rock band Toto, which he fronted as lead vocalist from 1986 to 1988 and again from 2010 to 2019.
Relevant evidence: No