Which of the following sentences is grammatically correct?

Shakespeare performed his plays at the globe Theater, which could seat an audience of up to 3,000.
X Shakespeare performed his plays at The Globe Theater which was a venue that could seet an audience of up to 3000.
X Shakespeares plays were performed at The globe Theater, which could seat an audience of up to 3,000.
Shakespeare's plays were performed at the Globe Theater; the venue could seat an audience of up to 3,000.