In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.

Let me give you an example: Passage: The group was occasionally diverted from strategic missions to carry out air support and interdiction missions. It supported Operation Overlord, the invasion of Normandy by attacking transportation targets, including bridges, along with airfields and strong points in France. On D Day, the squadron and the rest of the 446th Group led the first heavy bomber mission of the day. The 446th aided ground forces at Caen and Saint-Lô during July by hitting bridges, gun batteries, and enemy troops. During Operation Market Garden, the attempt to seize a bridgehead across the Rhine in the Netherlands, the 704th dropped supplies to allied troops near Nijmegen. It struck lines of communications during the Battle of the Bulge. During Operation Varsity in March 1945, it supplied ground and airborne troops near Wesel. The squadron flew its last combat mission on 25 April 1945 against Salzburg, Austria. The group had flown 273 missions and had lost 58 aircraft during the war,
. Link Information: Operation Market Garden was a failed World War II military operation fought in the Netherlands from 17 to 25 September 1944. Answer: from 17 to 25 September 1944
The answer to this example can be: When did the operation during which the 704th dropped supplies to allied troops near Nijmegen begin?
Here is why: The passage describes the 704th's actions during Operation Market Garden, and the answer specifies when the operation happened.

OK. solve this:
Passage: Justin Goldberg (born April 12, 1966) is an American music and film industry executive and artist manager. Goldberg has held senior executive positions at such companies as Sony Music, Red Light Management, and Razor & Tie Entertainment. He has worked extensively in music, television and film as a producer, writer and music supervisor, collaborating on projects including Disney's animated features Tangled, , the Forest Whitaker narrated film Before the Music Dies, Touchstone/ABC's Veritas: The Quest, In Memory of My Father, and various music video productions at events such as Bonnaroo and Coachella. He is the author of The Ultimate Survival Guide to the New Music Industry: Handbook for Hell (Crown Publishing Group / Random House). An outspoken critic of the music industry's traditional business model, he is an early advocate for online marketing and distribution. He is the founder of Measurement Arts, which has managed a broad range of projects and artists focused on the music industry. Goldberg has been a featured speaker at the prestigious Milken Institute Global Conference, SXSW, Midem and other major industry conventions.
 Link Information: Goldberg has been a featured speaker at the prestigious Milken Institute Global Conference, SXSW, Midem and other major industry conventions. Answer: Santa Monica, California
Answer:
What cities has Goldberg been a featured speaker in?