out of all the election polls with at least 1912 polls, which have respondents that are like reuters/ipsos, 2012 presidential election, 2012-09-25?
(AND government.election_poll (AND (JOIN government.election_poll.type_of_people_polled (JOIN government.poll_respondent_category.polls m.0n287gj)) (ge government.election_poll.number_polled 1912^^http://www.w3.org/2001/XMLSchema#integer)))