query user($address: String){
  pools(where:{address:$address})
  {
    id
    address
  }
}

function(data) {
  if (data == null || data.pools == null) {
    return 0
  } else if (Array.isArray(data.pools) && data.pools.length == 0) {
    return 0
  }
  return 1
}