Question: What is the birthdate of this Canadian former professional ice hockey player, who played in the National Hockey League for 12 seasons and scored the Cup-winning goal in the 1970 Stanley Cup Finals?
Sentence (from "Bobby Orr"): Robert Gordon Orr, OC (born March 20, 1948) is a Canadian former professional ice hockey player, widely acknowledged as one of the greatest hockey players of all time.
Relevant evidence: Yes