Table:
text: SMS Möwe
Raiding career
Ships sunk or captured by Moewe on her second raiding voyage
Date_ Ship Type_ Nationality Tonnage_GRT
2 Dec 16 Voltaire Cargo ship United Kingdom 8618
4 Dec 16 Hallbjorg Cargo ship Norway 2586
6 Dec 16 Mount Temple Cargo ship United Kingdom 9792
8 Dec 16 Duchess of Cornwall Sailing ship United Kingdom 152
8 Dec 16 King George Cargo ship United Kingdom 3852
9 Dec 16 Cambrian Range Cargo ship United Kingdom 4235
10 Dec 16 Georgic Cargo ship United Kingdom 10077
11 Dec 16 Yarrowdale Cargo ship United Kingdom 4652
12 Dec 16 Saint Theodore Cargo ship United Kingdom 4992
18 Dec 16 Dramatist Cargo ship United Kingdom 5415

Question: What kind of SMS Möwe has a date of 8th December 16 and a Duchess of Cornwall ship captured by Möwe on her second voyage of her raiding career?

Question: On what date was a ship sunk by Hallbjörg under SMS Möwe, captured by Moewe on her second voyage?