What are the top 3 highest support rates?
select support_rate from candidate order by support_rate desc limit 3
What are the poll sources of those support rates?
select poll_source from candidate order by support_rate desc limit 3
What are the dates for those support rates?
select date from candidate order by support_rate desc limit 3
What's the unsure rate of those?
select unsure_rate from candidate order by support_rate desc limit 3
What are the consider rates of those?
select consider_rate from candidate order by support_rate desc limit 3
What are the oppose rates of those?
select oppose_rate from candidate order by support_rate desc limit 3