How many words are there on the page that the word "grec" has occurred for 52 times?
the word "grec" refers to word = 'grec'; occurred for 52 times refers to occurrences = 52
SELECT SUM(T3.words) FROM words AS T1 INNER JOIN pages_words AS T2 ON T1.wid = T2.wid INNER JOIN pages AS T3 ON T2.pid = T3.pid WHERE T1.word = 'grec' AND T2.occurrences = 52