Reference for Chullin 164:32

נזיר שהיה שותה יין כל היום אינו חייב אלא אחת

Hence it is, no doubt, Symmachos!<span class="x" onmousemove="('comment',' We learn from this the view of Symmachos that if a person ate two olives' bulk of forbidden fat in one spell of forgetfulness he is liable to two sin-offerings.');">¹⁴</span>

Jastrow