google app engine - How to filter a GAE query?

Question

I'm trying to save two records and then get the 2nd one. The issue is that the filter doesn't seem to work. Although I filter by Name ("Andrew W") I always get "Joe Citizen". The counter also indicates 2 records when it should be just one. This drives me crazy. See the full code below. The result prints counter 2 e2 {"Joe Citizen" "Manager" "2015-03-24 09:08:58.363929 +0000 UTC" ""}

package main
import (
    "fmt"
    "time"
    "net/http"

    "google.golang.org/appengine"
    "google.golang.org/appengine/datastore"
)


type Employee struct {
    Name     string
    Role     string
    HireDate time.Time
    Account  string
}
func init(){

    http.HandleFunc("/", handle)
}
func handle(w http.ResponseWriter, r *http.Request) {
    c := appengine.NewContext(r)

    e1 := Employee{
        Name:     "Joe Citizen",
        Role:     "Manager",
        HireDate: time.Now(),
    }

    _, err := datastore.Put(c, datastore.NewKey(c, "employee", "", 0, nil), &e1)
    if err != nil {
        http.Error(w, err.Error(), http.StatusInternalServerError)
    panic(err)
        return
    }
    e1.Name = "Andrew W"

    _, err = datastore.Put(c, datastore.NewKey(c, "employee", "", 0, nil), &e1)
    if err != nil {
        http.Error(w, err.Error(), http.StatusInternalServerError)
    panic(err)
        return
    }

    var e2 Employee
    q :=  datastore.NewQuery("employee")
    q.Filter("Name =", "Andrew W")
    cnt, err  := q.Count(c)
    if err !=nil{
        http.Error(w, err.Error(), http.StatusInternalServerError)
        panic(err)
        return
    }
    for t := q.Run(c); ; {  
        if _, err := t.Next(&e2); err != nil {
             http.Error(w, err.Error(), http.StatusInternalServerError)
            panic(err)
            return
        }
        break
    }   
    fmt.Fprintf(w, "counter %v e2 %q", cnt, e2)
}

Answer 1

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