Teacher:Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Teacher: Now, understand the problem? Solve this instance: Context : Marijke Schaar (born 12 November 1944), also known under her maiden name Marijke Jansen, is a former Dutch female tennis player who was active during the 1960s and 70s.
Answer : female
Student:
What sex is Marijke Schaar?