Which song has a U.S. R&B 100 in 2010?
CREATE TABLE "solo_singles" (
  "year" real,
  "song" text,
  "u_s_hot_100" text,
  "u_s_r_b" text,
  "u_s_hot_adult_cont" text,
  "album" text
);
SELECT "song" FROM "solo_singles" WHERE "year"=2010 AND "u_s_r_b"='100';