What follows is an opinion from the Supreme Court of the United States. Your task is to identify the reason, if any, given by the court for granting the petition for certiorari.

Opinion:
REAGAN, PRESIDENT OF THE UNITED STATES, et al. v. ABOUREZK et al.
No. 86-656.
Argued October 5, 1987
Decided October 19, 1987
Deputy Solicitor General Wallace argued the cause for petitioners. With him on the briefs were Solicitor General Fried, Assistant Attorney General Willard, Roger Clegg, Michael Jay Singer, and Abraham D. Sofaer.
Steven R. Shapiro argued the cause for respondents. With him on the brief were Arthur N. Eisenberg, John A. Powell, Charles S. Sims, Peter L. Zimroth, Michael D. Young, and Leonard Boudin
Daniel J. Popeo and Paul D. Kamenar filed a brief for the Washington Legal Foundation et al. as amici curiae urging reversal.
Briefs of amici curiae urging affirmance were filed for the American Bar Association by Eugene C. Thomas, William A. Bradford, Jr., and David W. Burgett; for the Committee on Immigration and Nationality Law of the New York City Bar Association et al. by Robert M. Kaufman, Carl R. Baldwin, and Steven M. Freeman; for the International Human Rights Law Group by Eli Whitney Debevoise II and Kimberly Till; and for the Lawyers Committee for Human Rights et al. by Arthur C. Helton.
Ann H. Franke and Jacqueline W. Mintz filed a brief for the American Association of University Professors et al. as amici curiae.
Per Curiam.
The judgment below is affirmed by an equally divided Court.
Justice Blackmun took no part in the decision of this case. Justice Scalia took no part in the consideration or decision of this case.

Question: What reason, if any, does the court give for granting the petition for certiorari?

Choices:
case did not arise on cert or cert not granted
federal court conflict
federal court conflict and to resolve important or significant question
putative conflict
conflict between federal court and state court
state court conflict
federal court confusion or uncertainty
state court confusion or uncertainty
federal court and state court confusion or uncertainty
to resolve important or significant question
to resolve question presented
no reason given
other reason

Answer: 11