Nico Hulkenberg caused a sensation in qualifying for the Brazilian Grand Prix by claiming Williams' first pole position for five and a half years.Not since the European Grand Prix at the Nurburgring in May 2005 have the Grove-based marque claimed top spot, but Hulkenberg made the most of the unusual conditions at Interlagos to clinch pole.Behind the 23-year-old German are the four main title contenders in Red Bull duo Sebastian Vettel and Mark Webber, along with McLaren's Lewis Hamilton and Ferrari's Fernando Alonso.