A philosophical argument that "question" is a primary structural phenomenon — a system state with its own dynamics, persistence conditions, and resolution criteria measurably distinct from generic uncertainty. Develops a field theory of question grounded in four theoretical claims about the interrogative field I, situates it within Einstein's spacetime framework, and draws structural convergence with Bae et al. (2026) on open quantum systems. Argues that binary logic is the wrong representational framework for question-states and that quantum logic is correct. Explicitly sets aside the consciousness debate. Associated empirical program: Question-State Test Suite v1.4 (10.5281/zenodo.19444323). Quantum Inquiry, quantuminquiry.org.