Choose the CORRECT sentence: Theres' Mr. Hashim which they say is the portrait painter in the town, There's Mr. Hashim who they say is best portrait painter in the town., There's mr. hashim whome they say is the best portrait painter in the town., There's Mr. Hashim, who they say is the best portrait painter in the town.

Theres' Mr. Hashim which they say is the portrait painter in the town

There's Mr. Hashim who they say is best portrait painter in the town.

There's mr. hashim whome they say is the best portrait painter in the town.

There's Mr. Hashim, who they say is the best portrait painter in the town.

There's Mr. Hashim, who they say is the best portrait painter in the town.

This sentence is correct in terms of punctuation, capitalization, and grammar, using "who" and the proper form of "the best portrait painter."