He interviewed Shigeko Sasamori in December 2004. Ms. Sasamori was thirteen when the atomic bomb was dropped on Hiroshima (August 6, 1945).
Sasamori was fourteen and half 
( z1 age :ARG1 ( z2 person :name ( z3 name :op "Sasamori" ) ) :ARG2 ( z4 temporal-quantity :quant "14.5" :unit ( z5 year ) ) )