YOU SAID:
何人が日本語を話っていろ
INTO JAPANESE
何人が日本語を話っていろ
BACK INTO ENGLISH
How many people are speaking Japanese?
INTO JAPANESE
日本語を話す人は何人いますか。
BACK INTO ENGLISH
How many people speak Japanese?
INTO JAPANESE
日本語を話す人は何人いますか?
BACK INTO ENGLISH
How many people speak Japanese?
That didn't even make that much sense in English.