[["Robert James Gronkowski, nicknamed \"the Gronk\"), is a former football tight end of the US National Football League.", 270.0], ["His first name is Rob, or Robert. Robert James \"Gronk\" Gronkowski is a former football tight end who played in the NFL for 11 seasons, first with the New England Patriots, then with the Tampa Bay Buccaneers.", 46.0]]
what's gronkowski's first name
literature