to which

که در ازای آن

که به آن

که به ان

که با توجه به آن

1 ) Though the degree to which Mr. Malley blamed Israel for the failure of the talks is often overstated
NEW YORK TIMES@
2 ) In an interview try to ask open questions ( = to which the answer is not just ‘yes’ or ‘no’ )

in which
at which
over which
on which
که در آن

to which که به آن