자꾸 콘솔창에 undefined undefined undefined 이렇게 떠요

function q1() {
    $.ajax({
        type:"GET",
        url:"http://spartacodingclub.shop/sparta_api/seoulbike",
        data: {},
        success: function (response) {
            let rows = response['getStationList']['row']
            for (let i=0;i<rows.length;i++){
                let name = rows[i]['"stationName']
                let rack = rows[i]['"rackTotCnt']
                let bike = rows[i]['"parkingBikeTotCnt']

                console.log(name,rack,bike)
            }
        }
    })
}