De or het sponsorschenking?

The correct Dutch article is:

de sponsorschenking

Rule Words ending in -ing: almost always de. See the rule

How to use sponsorschenking

the sponsorschenkingde sponsorschenking
this sponsorschenkingdeze sponsorschenking
that sponsorschenkingdie sponsorschenking
our sponsorschenkingonze sponsorschenking
your sponsorschenkingjouw sponsorschenking
every sponsorschenkingelke sponsorschenking
which sponsorschenking?welke sponsorschenking?
a big sponsorschenking / the big sponsorschenkingeen grote sponsorschenking, de grote sponsorschenking