Table: vanity_chart
Columns: year
title
u_s
u_s_r_b
u_s_dance

Question: What value for U.S. dance occurred in 1986 when the value of U.S. R&B was 9?
SQL: SELECT "u_s_dance" FROM vanity_chart WHERE "year" = 1986 AND "u_s_r_b" = '9'