CREATE TABLE "guest_work" (
  "year" real,
  "band" text,
  "song" text,
  "album" text,
  "contribution" text
);

Question: For the album Board Up the House, what is the contribution?
SQL: SELECT "contribution" FROM "guest_work" WHERE "album"='board up the house';

Question: What band has a year above 2011?
SQL: SELECT "band" FROM "guest_work" WHERE "year">2011;