question: How much energy was the Solar Two able to store using salts ?
answer: 1.44 terajoules ( 400,000 kWh )
turker_answer: The Solar Two was able to store 1.44 terajoules ( 400,000 kWh ) using salts .
rule-based: The Solar Two able to store using salts was 1.44 terajoules ( 400,000 kWh .