Question: How many career home runs did the baseball player, who made a promise to Johnny Sylvester, hit
Sentence (from "Johnny Sylvester"): John Dale "Johnny" Sylvester (April 5, 1915 – January 8, 1990) was an American packing machinery company executive who was best known for a promise made to him by Babe Ruth during the 1926 World Series.
Relevant evidence: Yes