You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: json.go
    path of file: ./repos/clickhouse-go/examples/std
    
    the code of the file until where you have to start completion: // Licensed to ClickHouse, Inc. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// owner
    
func JSONInsertRead() error {
	conn, err := GetStdOpenDBConnection(clickhouse.Native, clickhouse.Settings{
		"allow_experimental_object_type": 1,
	}, nil, nil)
	if err != nil {
		return err
	}
	if !std.CheckMinServerVersion(conn, 22, 6, 1) {
		return nil
	}
	conn.Exec("DROP TABLE example")
	const ddl = `
		CREATE TABLE example (
			  event JSON
		) Engine Memory
		`
	defer func() {
		conn.Exec("DROP TABLE example")
	}()
	if _, err := conn.Exec(ddl); err != nil {
		return err
	}
	scope, err := conn.Begin()
	if err != nil {
		return err
	}
	batch, err := scope.Prepare("INSERT INTO example")
	if err != nil {
		return err
	}
	col1Data := GithubEvent{
		Title: "Document JSON support",
		Type:  "Issue",
		Assignee: Account{
			Id:            1244,
			Name:          "Geoff",
			Achievement:   Achievement{Name: "Mars Star"},
			Repositories:  []Repository{{URL: "https://github.com/ClickHouse/clickhouse-python", Releases: []Releases{{Version: "1.0.0"}, {Version: "1.1.0"}}}, {URL: "https://github.com/ClickHouse/clickhouse-go", Releases: []Releases{{Version: "2.0.0"}, {Version: "2.1.0"}}}},
			Organizations: []string{"Support Engineer", "Integrations"},
		},
		Labels: []string{"Help wanted"},
		Contributors: []Account{
			{Id: 2244, Achievement: Achievement{Name: "Adding JSON to go driver"}, Organizations: []string{"Support Engineer", "Consulting", "PM", "Integrations"}, Name: "Dale", Repositories: []Repository{{URL: "https://github.com/ClickHouse/clickhouse-go", Releases: []Releases{{Version: "2.0.0"}, {Version: "2.1.0"}}}, {URL: "https://github.com/grafana/clickhouse", Releases: []Releases{{Version: "1.2.0"}, {Version: "1.3.0"}}}}},
			{Id: 2344, Achievement: Achievement{Name: "Managing S3 buckets"}, Organizations: []string{"Support Engineer", "Consulting"}, Name: "Melyvn", Repositories: []Repository{{URL: "https://github.com/ClickHouse/support", Releases: []Releases{{Version: "1.0.0"}, {Version: "2.3.0"}, {Version: "2.4.0"}}}}},
		},
	}
	if _, err = batch.Exec(col1Data); err != nil {
		return err
	}
	if err = scope.Commit(); err != nil {
		return err
	}
	// must pass any - maps must be strongly typed so map[string]any wont work - it wont convert
	var event any
	rows := conn.QueryRow("SELECT * FROM example")
	if err = rows.Scan(&event); err != nil {
		return err
	}
	fmt.Println(clickhouse_tests.ToJson(event))
	// again pass any for anthing other than primitives
	rows = conn.QueryRow("SELECT event.assignee.Achievement FROM example")
	var achievement any
	if err = rows.Scan(&achievement); err != nil {
		return err
	}
	fmt.Println(clickhouse_tests.ToJson(event))
	rows = conn.QueryRow("SELECT event.assignee.Repositories FROM example")
	var repositories any
	if err = rows.Scan(&repositories); err != nil {
		return err
	}
	return nil
}