Table:
text: Vanity (performer)
Solo
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Year_ Title U_S_ U_S_R_B U_S_dance
1984  Pretty Mess  75 15 13
1985  Mechanical Emotion  107 23 —
1986  Under the Influence  56 9 6
1986 Animals — — —
1988 Undress — — —

Question: What US Dance Score occurred in 1986 when US R&B Vanity (Performer) Score was 9?