The phrase "alternative answer to the" is correct and usable in written English.
It can be used when discussing different responses or solutions to a question or problem.
Example: "In response to the query about climate change, I would like to provide an alternative answer to the commonly accepted theories."
Alternatives: "different response to the" or "substitute answer to the".
"Could I humbly propose an alternative answer to the quiz question?
The success of the social enterprise, its founder believes, proves that people want an "alternative answer" to the supermarket giants.
This week, of all weeks, should be the one in which the party can persuade us it has an alternative answer to the wrecking of global capitalism.
You might imagine that Mr. Grassley has in hand an alternative answer to the question "How much of the tax cut will go to the top 1percentt?" -- that the administration has, at some point, produced a number showing that the wealthy aren't getting a big share of the benefits.
There is, however, an alternative answer to the J-question that appeals to reliability without making perceptual justification dependent upon beliefs that attribute reliability to perceptual experiences.
An alternative answer to the attack is that some informed consent rights are waiveable (perhaps including many disclosure rights), and others are non-waiveable (perhaps including the right to refuse bodily intrusion).
Figure 2 illustrates four possible deployment topologies for SensApp, representing alternative answers to the above three questions.
The task of philosophical analysis is to consider alternative answers to the question: What is meant by progress in science?
During the days when U.S. Immigration worried about subversives at points of entry, one middle-aged French intellectual with practically no knowledge of English heard the examiner ask, "Do you believe in the overthrow of the United States government by force or violence?" "Er," the immigrant replied, in agony exactly to understand alternative answers to the question–"preferably by force".
The new plaintiffs are intended to offer an alternative answer to that question.
An alternative answer to her calm-before-the-awards-storm question: "I'm heavily medicated".
