SB 11.15.2

śrī-uddhava uvāca
kayā dhāraṇayā kā svit
 kathaṁ vā siddhir acyuta
kati vā siddhayo brūhi
 yogināṁ siddhi-do bhavān
Word for word: 
śrī-uddhavaḥ uvāca — Śrī Uddhava said; kayā — by what; dhāraṇayā — process of meditation; svit — which indeed; katham — in what manner; — or; siddhiḥ — mystic perfection; acyuta — My dear Lord; kati — how many; — or; siddhayaḥ — perfections; brūhi — please speak; yoginām — of all yogīs; siddhi-daḥ — the giver of mystic perfections; bhavān — You.
Translation: 
Śrī Uddhava said: My dear Lord Acyuta, by what process can mystic perfection be achieved, and what is the nature of such perfection? How many mystic perfections are there? Please explain these things to me. Indeed, You are the bestower of all mystic perfections.