Table:
text: Order of battle for Convoy SC 7
Escorts
Escorts
Name_ Class_ Navy Date_joined Date_departed
HMS Bluebell Flower class corvette Royal Navy 18 October 21 October
HMCS Elk Armed yacht Royal Canadian Navy 5 October 7 October
HMS Fowey Shoreham class sloop Royal Navy 18 October 21 October
HMS Heartsease Flower class corvette Royal Navy 18 October 21 October
HMS Leith Grimsby class sloop Royal Navy 18 October 21 October
HMS Scarborough Hastings class sloop Royal Navy 5 October 21 October

Question: What is the departure date for the Grimsby class sloop in battle order for Convoy SC 7 escorts?

Question: What is the departure date of the Royal Navy's HMS Leith under the British convoys escorted by the Order of Battle for Convoy SC 7?

Question: What class is HMS Fowey under the Order of Battle of Escorts for Convoy SC 7?

Question: What class is HMS Heartsease under the Order of Battle of Escorts for Convoy SC 7?