Fix grammatical mistakes in this sentence: The sound/q/has a very low frequency of occurrence that could be limited throughout a few noun, such for (al-Qur'an), " the holy books " and (al-qahira), " Cairo ".
The sound/q/has a very low frequency of occurrence that can be limited to a few nouns, such as (al-Qur'an), " the holy book " and (al-qahira), " Cairo. "