question: Twice the amount of energy obtainable by all the non-renewable sources on Earth can be provided by the Sun in what span of time ?
answer: one year
turker_answer: Twice the amount of energy obtainable by all the non-renewable sources on Earth can be provided by the sun in one year .
rule-based: Twice the amount of energy obtainable by all the non-renewable sources on Earth can be provided by the Sun in one year .