What are other wineries that also have Zinfandel?
select winery from wine where grape = "Zinfandel"
Can you give me the top three wineries with the most white wines?
select t2.winery from grapes as t1 join wine as t2 on t1.grape = t2.grape where t1.color = "White" group by t2.winery order by count ( * ) desc limit 3
Which of these have the most white wines?
select t2.winery from grapes as t1 join wine as t2 on t1.grape = t2.grape where t1.color = "White" group by t2.winery order by count ( * ) desc limit 1