Question: What is the Theme when Fontella Bass was the original artist?
SQL: SELECT "Theme" FROM "2-15778392-1" WHERE "Original artist" = 'Fontella Bass';

Question: What is the Week # when The Beatles were the original artist and the theme was The Beatles?
SQL: SELECT "Week #" FROM "2-15778392-1" WHERE "Original artist" = 'The Beatles' AND "Theme" = 'The Beatles';