Question: Cyril Havermans is a Dutch musician, best known for being in the progressive rock band, Focus,  a Dutch rock band formed in Amsterdam in which year, by keyboardist, vocalist, and flutist Thijs van Leer?
Sentence (from "Focus (Jan Akkerman &amp; Thijs van Leer album)"): Focus is a studio album by Dutch musicians Jan Akkerman and Thijs van Leer, released in 1985 on Vertigo Records.
Relevant evidence: No