2011 Diamond League

Columns: Date | Meet | Stadium | City | Country
6 May | Qatar Athletic Super Grand Prix | Qatar SC Stadium | Doha | Qatar | 15 May | Shanghai Golden Grand Prix | Shanghai Stadium | Shanghai | China | 26 May | Golden Gala | Stadio Olimpico | Rome | Italy | 4 June | Prefontaine Classic | Hayward Field | Eugene | United States | 9 June | Bislett Games | Bislett Stadion | Oslo | Norway | 11 June | Adidas Grand Prix | Icahn Stadium | New York City | United States | 30 June | Athletissima | Stade Olympique de la Pontaise | Lausanne | Switzerland

Example questions:
The stadium that is used by Grasshopper-Club hosted a Diamond League meet on which date in '11 ? | The Diamond League meet that took place on 8 July '11 is in a commune in the suburbs of which city ? | The stadium that will be a venue for the 2022 Commonwealth Games hosted a Diamond League meet on which date in '11 ? | The city that was designed by Manfredi Nicoletti hosted which '11 Diamond League meet ? | Crown Prince Leopold attended the opening ceremony of the stadium where which '11 Diamond League meet is held ?

Answers:
8 September | Paris | 10 July | Herculis | Memorial van Damme