Instructions: In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.
Input: Passage: On 9 September 1943, Penelope was part of Force Q for Operation Avalanche, the allied landings at Salerno, Italy, during which she augmented the bombardment force. Penelope left the Salerno area on 26 September with Aurora and at the beginning of October was transferred to the Levant in view of a possible attack on the island of Kos in the Dodecanese. On 7 October, with the cruiser and other ships, she sank six enemy landing craft, one ammunition ship and an armed trawler off Stampalia. While the ships were retiring through the Scarpanto Straits south of Rhodes, they were attacked by 18 Ju 87 "Stuka" dive-bombers of I Gruppe Stukageschwader 3 MEGARA. Although damaged by a bomb, Penelope was able to return to Alexandria at . On 19 November 1943 the ship moved to Haifa in connection with possible developments in the Lebanon situation. Towards the end of 1943, she was ordered to Gibraltar for Operation Stonewall, (anti-blockade-runner duties), in the Atlantic. On 27 December, the forces in this operation destroyed the German blockade-runner Alsterufer which was sunk by aircraft co-operating with Royal Navy ships. Penelope returned to Gibraltar on 30 December and took part in Operation Shingle, the amphibious assault on Anzio, Italy, providing gunfire support as part of Force X with on 22 January 1944. She also assisted in the bombardments in the Formia area during the later operations. She made eight shoots on 8 February.
Link Information: owards the end of 1943, she was ordered to Gibraltar for Operation Stonewall, Answer: Operation Shingle
Output:
Which of the operations HMS Penelope participated in during 1943 lasted the longest?