SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function proportionsZTest (children 1)
     ExpressionList (children 6)
      Literal UInt64_10
      Literal UInt64_11
      Literal UInt64_100
      Literal UInt64_101
      Literal Float64_0.95
      Literal \'unpooled\'