choice_text_from_response_column: Get the Choice Text from the First Row of the Responses
In ctesta01/QualtricsTools: Automating Qualtrics Survey Processing

This function uses the first row of the response data from Qualtrics to determine the choice text a response column corresponds to.

1	choice_text_from_response_column(response_column, original_first_row, blocks)

`response_column`	The string name of a response column from the response set.
`original_first_row`	A dataframe contianing the header information for each column of response data. This dataframe should include a row for the DataExportTag based response column names, another for the Question Text stem and choice text (although truncated), and a row with QID based column names.
`blocks`	A list of the survey's blocks, with the questions included in them