List of number-one singles from the 2000s (New Zealand)

Columns: Title | Artist | Weeks at number one
I 'm Outta Love | Anastacia | 7 | No Air | Jordin Sparks and Chris Brown | 7 | The Ketchup Song | Las Ketchup | 7 | They Ca n't Take That Away | Ben Lummis | 7 | Moonshine | Savage featuring Akon | 7 | SexyBack | Justin Timberlake featuring Timbaland | 7

Example questions:
How many weeks at number one in New Zealand was the song that is performed by Harold Faltermeyer ? | How many weeks at number one in New Zealand was the song whose artist founded a nonprofit organization , the Born This Way Foundation ? | Who is the artist of the number one song in New Zealand that is a collaboration with Chris Brown ? | For the number-one song artist who released two debut singles as a double A-side , where did he perform in October 2013 ?

Answers:
11 | 10 | Jordin Sparks | Mumbai , India