Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

Ex Input:
Jean-Claude Van Damme plays both of the twins, separated after the death of their parents, in which 1991 film?

Ex Output:
double impact

Ex Input:
Who painted ' The Surrender at Breda ' and ' Las Meninas ' ?

Ex Output:
diego velazquez

Ex Input:
What internationally recognized unit of length (though not formally defined within the International System of Units (SI)) equal to 0.1 nanometre or 1 1010 metres is often used in the natural sciences for expressing the sizes of atoms, lengths of chemical bonds and the wavelengths of electromagnetic radiation, and in technology for the dimensions of parts of integrated circuits?

Ex Output:
angstrom