question: What is the title of every song, and how many weeks was each song at #1 for Rihanna in 2012?
answer: SELECT song_s__—_weeks FROM table_19542477_9 WHERE issue_years = 2012 AND artist_s_ = "Rihanna"
context: CREATE TABLE table_19542477_9 (song_s__—_weeks VARCHAR, issue_years VARCHAR, artist_s_ VARCHAR)