Table:
STAPLE: | Maize / Corn | Rice | Wheat | Potato | Cassava | Soybean (Green) | Sweet potato | Sorghum | Yam | Plantain
Component (per 100g portion) | Amount | Amount | Amount | Amount | Amount | Amount | Amount | Amount | Amount | Amount
Water (g) | 10 | 12 | 13 | 79 | 60 | 68 | 77 | 9 | 70 | 65
Energy (kJ) | 1528 | 1528 | 1369 | 322 | 670 | 615 | 360 | 1419 | 494 | 511
Protein (g) | 9.4 | 7.1 | 12.6 | 2.0 | 1.4 | 13.0 | 1.6 | 11.3 | 1.5 | 1.3
Fat (g) | 4.74 | 0.66 | 1.54 | 0.09 | 0.28 | 6.8 | 0.05 | 3.3 | 0.17 | 0.37
Carbohydrates (g) | 74 | 80 | 71 | 17 | 38 | 11 | 20 | 75 | 28 | 32
Fiber (g) | 7.3 | 1.3 | 12.2 | 2.2 | 1.8 | 4.2 | 3 | 6.3 | 4.1 | 2.3
Sugar (g) | 0.64 | 0.12 | 0.41 | 0.78 | 1.7 | 0 | 4.18 | 0 | 0.5 | 15
Calcium (mg) | 7 | 28 | 29 | 12 | 16 | 197 | 30 | 28 | 17 | 3
Iron (mg) | 2.71 | 0.8 | 3.19 | 0.78 | 0.27 | 3.55 | 0.61 | 4.4 | 0.54 | 0.6
Magnesium (mg) | 127 | 25 | 126 | 23 | 21 | 65 | 25 | 0 | 21 | 37
Phosphorus (mg) | 210 | 115 | 288 | 57 | 27 | 194 | 47 | 287 | 55 | 34
Potassium (mg) | 287 | 115 | 363 | 421 | 271 | 620 | 337 | 350 | 816 | 499
Sodium (mg) | 35 | 5 | 2 | 6 | 14 | 15 | 55 | 6 | 9 | 4
Zinc (mg) | 2.21 | 1.09 | 2.65 | 0.29 | 0.34 | 0.99 | 0.3 | 0 | 0.24 | 0.14
Copper (mg) | 0.31 | 0.22 | 0.43 | 0.11 | 0.10 | 0.13 | 0.15 | - | 0.18 | 0.08
Manganese (mg) | 0.49 | 1.09 | 3.99 | 0.15 | 0.38 | 0.55 | 0.26 | - | 0.40 | -
Selenium (μg) | 15.5 | 15.1 | 70.7 | 0.3 | 0.7 | 1.5 | 0.6 | 0 | 0.7 | 1.5
Vitamin C (mg) | 0 | 0 | 0 | 19.7 | 20.6 | 29 | 2.4 | 0 | 17.1 | 18.4
Thiamin (mg) | 0.39 | 0.07 | 0.30 | 0.08 | 0.09 | 0.44 | 0.08 | 0.24 | 0.11 | 0.05
Riboflavin (mg) | 0.20 | 0.05 | 0.12 | 0.03 | 0.05 | 0.18 | 0.06 | 0.14 | 0.03 | 0.05
Niacin (mg) | 3.63 | 1.6 | 5.46 | 1.05 | 0.85 | 1.65 | 0.56 | 2.93 | 0.55 | 0.69
Pantothenic acid (mg) | 0.42 | 1.01 | 0.95 | 0.30 | 0.11 | 0.15 | 0.80 | - | 0.31 | 0.26
Vitamin B6 (mg) | 0.62 | 0.16 | 0.3 | 0.30 | 0.09 | 0.07 | 0.21 | - | 0.29 | 0.30
Folate Total (μg) | 19 | 8 | 38 | 16 | 27 | 165 | 11 | 0 | 23 | 22
Vitamin A (IU) | 214 | 0 | 9 | 2 | 13 | 180 | 14187 | 0 | 138 | 1127
Vitamin E, alpha-tocopherol (mg) | 0.49 | 0.11 | 1.01 | 0.01 | 0.19 | 0 | 0.26 | 0 | 0.39 | 0.14
Vitamin K1 (μg) | 0.3 | 0.1 | 1.9 | 1.9 | 1.9 | 0 | 1.8 | 0 | 2.6 | 0.7
Beta-carotene (μg) | 97 | 0 | 5 | 1 | 8 | 0 | 8509 | 0 | 83 | 457
Lutein+zeaxanthin (μg) | 1355 | 0 | 220 | 8 | 0 | 0 | 0 | 0 | 0 | 30
Saturated fatty acids (g) | 0.67 | 0.18 | 0.26 | 0.03 | 0.07 | 0.79 | 0.02 | 0.46 | 0.04 | 0.14
Monounsaturated fatty acids (g) | 1.25 | 0.21 | 0.2 | 0.00 | 0.08 | 1.28 | 0.00 | 0.99 | 0.01 | 0.03
Polyunsaturated fatty acids (g) | 2.16 | 0.18 | 0.63 | 0.04 | 0.05 | 3.20 | 0.01 | 1.37 | 0.08 | 0.07

Question: in equal sized portions, do potatoes or plantains contain more grams of protein?
Answer: potatoes

Question: what food has the highest amount of magnesium?
Answer: Maize / Corn

Question: what staple has the least amount of fat?
Answer: Sweet potato

Question: which of the major staple foods contains the highest number of grams of carbohydrates in a 100 gram portion?
Answer: Rice

Question: what is the difference in grams of water between 100g of wheat and 100g of rice?
Answer: 1

Question: how many staples have more than 5 grams of fiber?
Answer: 3

Question: how many staples have at least 1 mg of zinc?
Answer: 3

Question: what staple has the most potassium?
Answer: Yam

Question: at least how many grams of water do the staple foods have?
Answer: 9