How to Replace 0 with 1 in Linq to Entity ? (Linq if-statement)

Description:
first it is asking column1==0 ? if true 1 will assign to column1  for assignment here use : operator

Basic Example:
column1= = 0 ? 1 : column1

Real Example:

let value1 = Grp.Count(x => x.Column1== "value") == 0 ? 1 : Grp.Count(x => x.hours_to_resolve <= 3 && x.Column1== "value") 
/
 Convert.ToDouble(Grp.Count(x => x.Column1== "value") == 0 ? 1 : Grp.Count(x => x.Column1== "value"))