Who performed the hit single "All Star"?

Smash Mouth

In the "Rocky" film series, where does Rocky Balboa famously train by running up steps? Which is the largest stadium by capacity currently in use for soccer matches around the world? In Venezuela, how do people traditionally get to Christmas morning church services? Which Marvel character has photographic reflexes allowing mimicry of others' moves? What's the smallest two-digit number divisible by 9?