CREATE TABLE table_47704 ("Date" CLOB, "Flight" CLOB, "Aircraft" CLOB, "Registration" CLOB, "Location" CLOB, "Fatalities" FLOAT)

Which flight had an aircraft of vickers viscount type 794?
SELECT "Flight" FROM table_47704 WHERE "Aircraft" = 'vickers viscount type 794'
SELECT "Flight" FROM "table_47704" WHERE "Aircraft" = 'vickers viscount type 794'