data filter option using combobox

hi,
i am doing a project using vb6.0 ,and ms access i am interfacing with that
in ms access table i have 3 field "machine,date,qty".
that i want to connect with 4 combo box.in this database machine name ,date,will be repeating(9611,9739,etc).

in First combo box i will select machine name then all the date only selected machine should display in second combo box that is fromdate,and 3rd combo box i will select todate,then all qty in between that date only for selected machine should display in 4th combo box.like filtering option.how i will do programming for that

i already connected data field with combo box, filtering option is remaining

please help me for that