Brahma Sutras
ॐ अन्यार्थं तु जैमिनिः प्रश्नव्याख्यानाभ्यामपि चैवमेके ॐ ॥ १-४-१८॥
But Jaimini holds the reference (to the individual soul) to be meant for a different purpose, as is known from the question and the answer. Moreover, some mention this clearly.
english translation
OM anyArthaM tu jaiminiH praznavyAkhyAnAbhyAmapi caivameke OM ॥ 1-4-18॥
hk transliteration by Sanscript