20. The computer program product of claim 19 wherein the actions further comprise: searching the crowd sourced information using the social search criteria, the result of the searching being a plurality of candidate answers; identifying the crowd metadata associated with the plurality of candidate answers; determining a metadata strength of the identified crowd metadata, wherein the metadata strength is based on one or more factors, and wherein at least one of the factors relates to a social support of an opinion; and scoring the plurality of candidate answers based on an association of the identified crowd metadata to each of the candidate answers.
19. The computer program product of claim 18 wherein a knowledge base comprises the crowd sourced information and the crowd sourced metadata, and wherein the actions further comprise: identifying one or more of the crowd sourced metadata based on the identified question keywords and the identified question context; and creating a social search criteria based on the identified crowd sourced metadata.