year actor award category role episode result
year
actor
award
category
role
episode
result
number
number text text text text text text
1992 nancy cartwright primetime emmy award outstanding voice-over performance bart simpson "separate vocations" won
what is the last year in which kelsey grammer won an award for outstanding voice performance for a role on the simpsons ?
WP VBD-AUX DT JJ NN IN WDT NNP NNP VBD DT NN IN JJ NN NN IN DT NN IN DT NNP .
2006
select max ( c1_number ) from w where c2 = 'kelsey grammer' and c4 = 'outstanding voice-over performance'