Question: What number president was the person who was supported by Deadheads for Obama?
Sentence (from "Deadheads for Obama"): The show, performed one day before the Super Tuesday primary elections, was an act of support for Democratic presidential candidate Barack Obama, and featured former Dead members Phil Lesh, Bob Weir, and Mickey Hart, as well as John Molo, Jackie Greene, Steve Molitz, Mark Karan and Barry Sless.
Relevant evidence: Yes