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It was shown by Sidorov (2009) that $q_2:=\\min \\mathcal{B}_2\\approx1.71064$, and later asked by Baker (2015) whether $q_2\\in\\mathcal{B}_{\\aleph_0}$? 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It was shown by Sidorov (2009) that $q_2:=\\min \\mathcal{B}_2\\approx1.71064$, and later asked by Baker (2015) whether $q_2\\in\\mathcal{B}_{\\aleph_0}$? 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