Definitions for "Ballpark"
v. To make a rough estimate. When the term is used before the noun "number," it absolves the speaker of any responsibility for incorrect data.
daft baseball derivative.
a facility in which ball games are played (especially baseball games); "take me out to the ballpark"
Keywords:  wasn't, scope, answer, something, near
near to the scope or range of something; "his answer wasn't even in the right ballpark"