Question: What is Date, when Country is "China", and when Perpetrator is "Shi Yuejun , 35"?
SQL: SELECT "Date" FROM "2-17794738-4" WHERE "Country" = 'China' AND "Perpetrator" = 'Shi Yuejun , 35';

Question: What is Injured, when Country is "Afghanistan"?
SQL: SELECT "Injured" FROM "2-17794738-4" WHERE "Country" = 'Afghanistan';

Question: What is Country, when Killed is "100.9", and when Year is greater than 1939.9?
SQL: SELECT "Country" FROM "2-17794738-4" WHERE "Killed" = 100.9 AND "Year" > 1939.9;

Question: What is the average Year, when Date is "04.01 April 1"?
SQL: SELECT AVG("Year") FROM "2-17794738-4" WHERE "Date" = '04.01 April 1';