Question: Which patriotic show tune occupied the UK Singles Chart for 17 weeks in 1967?
Sentence (from "Edelweiss (song)"): In the musical, Captain von Trapp and his family sing this song during the concert near the end of Act II as a statement of Austrian patriotism in the face of the pressure put upon him to join the navy of Nazi Germany following the Anschluss.
Relevant evidence: Yes