Who's on First, What's on __

This page is the CodyCross answer for the clue below from Art Museum, Group 730, Puzzle 4 (Charitable Donations).

Question is: Who's on First, What's on __

and the answer is: SECOND

Word Meaning:

SECOND — Number-two; following after the first one with nothing between them. The ordinal number corresponding to the cardinal number two.

Definitions from Wiktionary.

Who's on First, What's on __ — CodyCross Answer | CodyCross Solutions