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 the help to buy isa scheme start?" whose answer is the 1980s.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did the help to buy isa scheme start
Useful Output:

Doc 1: The Help to Buy ISA was launched in 2015 ahead of the closure of the Government Help to Buy Scheme at the end of 2016. The ISAs were designed to help first
Doc 2: The UK government introduced the Help to Buy ISA in December 2015 as part of a broader effort to support first-time buyers in overcoming the
Doc 3: The Help to Buy: ISA scheme was launched on 1December 2015 with accounts available through banks, building societies and credit unions.
Doc 4: The Help to Buy equity loan started in 2013, but closed for new customers in October 2022 and ended for all customers on the 31st March 2023.
Doc 5: It was announced in Chancellor of the Exchequer George Osborne's 2013 budget speech, and was described as "the biggest government intervention in the housing