You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when did jack in the box introduce tacos?" whose answer is 1950s.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did jack in the box introduce tacos
Useful Output:

Doc 1: When they first introduced them in 1976, you could get THREE regular JitB tacos for just 89 cents. Keep in mind, that this was the introductory
Doc 2: The burger brand has unveiled chicken sandwiches, tacos and breakfast offerings — making it a versatile choice for any daypart. QSRweb spoke
Doc 3: Tucker Anderson, Staff Writer March 1, 2022. Since its first opening in 1951, Jack in the Box has made its name in strangeness.
Doc 4: When Ed I moved to California in 1956 he introduced me to tacos at a taco wagon on the beach at Corona del Mar. (He had been stationed there
Doc 5: Did Jack in the Box tacos really contain kangaroo meat in the 1970s?  These are the tacos I was first introduced to as a boy , by an