Task: songer_usc1

What follows is an opinion from a United States Court of Appeals.
Your task is to identify the most frequently cited title of the U.S. Code in the headnotes to this case. Answer "0" if no U.S. Code titles are cited. If one or more provisions are cited, code the number of the most frequently cited title.

The order of the district court suppressing the evidence is vacated, and the case is remanded to the district court for further proceedings consistent with the decision of the Supreme Court of the United States in United States v. Padilla, — U.S. -, 113 S.Ct. 1936, 123 L.Ed.2d 635 (1993).

Question: What is the most frequently cited title of the U.S. Code in the headnotes to this case? Answer with a number.
Answer:

Answer: 0