Table: on 206
[['date', 'number', 'type', 'captain', 'casualties'], ['16 oct 1943', 'u - 470', 'viic', 'o / l grave', '46'], ['16 oct', 'u - 964', 'viic', 'o / l hummerjohann', '47'], ['16 oct', 'u - 844', 'ixc', 'o / l moller', '53'], ['17 oct', 'u - 540', 'ixc', 'k / l kasch', '55'], ['17 oct', 'u - 631', 'viic', 'o / l kruger', '53'], ['17 oct', 'u - 841', 'ixc', 'k / l bender', '26']]
Statement: the Casualty on October 16 were greater for the U - 844 than they were for the U - 964
Statement: the Type is Viic exactly 2 time on October 16
Statement: the Type is Ixc 3 time overall , 2 of which are on October 17
Statement: the Type is Viic exactly 1 time on October 17
Statement: the total number of Casualty is 280 from October 16 to 17 , 1943