Task: Question Answering
Input (English): Problem: can you find a 7 digit number which describes itself . the first digit is the number of zeros in the number . the second digit is the number of ones in the number , etc . for example , in the number 21200 , there are 2 zeros , 1 one , 2 twos , 0 threes and 0 fours . 
Options: a ) 4211000 , b ) 1211000 , c ) 5211000 , d ) 2211000 , e ) 3211000
Output (English): e