Question: Which awards did the writer of Baby Blue win in 1973? 
Sentence (from "Pete Ham"): Peter William Ham (27 April 1947 – 24 April 1975) was a Welsh singer, songwriter and guitarist, best known as the lead vocalist/composer of the 1970s rock band Badfinger whose hit songs include "No Matter What", "Day After Day" and "Baby Blue."
Relevant evidence: No