Assertion: russet potato | /r/HasProperty | 52 milligrams of magnesium
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Source sentences:
text: Russet potatoes are also a good source of minerals, with each medium potato providing 1.9 milligrams of iron, or 10 percent of the DV; 52 milligrams of magnesium, or 13 percent of the DV; 123 milligrams of phosphorus, or 12 percent of the DV; 0.6 milligrams of zinc, or 4 percent of the DV; and 31 milligrams of calcium, or 3 percent of the DV.