According to the author of "Leading Constitutional Cases on Criminal Justice", by Lloyd L. Weinred (Harvard Professor) try to answer the following questions regarding the Sixth Amendment of the U.S. constitution.

1.What rights are given by the 6th Amendment?

2. Who has a right to counsel and when?

3. Are there any exceptions in the Amendment to the right to counsel.

Note: This a little bit of reference if you know what the sixth amendment are in detail!

Sixth Amendment | United States Constitution | Britannica