Updated non-data story queries.

There are a bunch of queries not used in any data stories.  They are all up to date now with the expection of any that reference quality, filter, or id fields (soon to be fixed).
Rename a variable.

Per @pgrosu `sql` is a reserved word (function), which is part of the dplyr package.
Refactor content regarding variant annotation.

Move it to a new spot since its not specific to 1,000 Genomes.