Question: What is the capacity of 3500V volts?
SQL: SELECT "Capacity" FROM "2-158741-6" WHERE "Volts" = '3500V';

Question: How many volts has an energy-to-weight ratio of 54 kJ/kg to 2.0V?
SQL: SELECT "Volts" FROM "2-158741-6" WHERE "Energy-to-weight ratio" = '54 kJ/kg to 2.0V';

Question: What is the capacity with 2.7V volts and a power-to-weight ratio of 5.44 W/kg C/1 (1.875A)?
SQL: SELECT "Capacity" FROM "2-158741-6" WHERE "Volts" = '2.7V' AND "Power-to-weight ratio" = '5.44 W/kg C/1 (1.875A)';