Choose the sentence that has no errors.

Although, "Amazing Grace" was written in the 1700s, it remains a well-loved song today.
Although 'Amazing Grace' was written in the 1700s, it remains a well-loved song today.
Although Amazing Grace was written in the 1700s, it remains a well-loved song today.
Although "Amazing Grace" was written in the 1700s, it remains a well-loved song today.