How are single quotation marks supposed to be used anyway?
The man said to the officer, "He came running out of the building yelling 'Fire!, Fire!' so I started running too".
How to use single quotation marks
In the United States, we use single quotation marks [ ‘ ‘ ] to enclose quoted material (or the titles of poems, stories, articles) within other quoted material:
“’Design’ is my favorite poem,” he said.
“Did she ask, ‘What’s going on?’”
Ralph Ellison recalls the Golden Age of Jazz this way: “It was itself a texture of fragments, repetitive, nervous, not fully formed; its melodic lines underground, secret and taunting; its riffs jeering-’Salt peanuts! Salt peanuts!’”
Reference: grammar.ccc.commnet.edu/GRAMMAR/marks/quotation.htm