Consider three tables in a relational database: 1- Students Table: Students (student_id (PK), student name, age, grade) 2- Courses Table: Courses (course_id (PK), course_name, instructor) 3- Enrollments Table: Enrollments (enrollment_id (PK), student_id (FK), course_id (FK), enrollment_date) What is the output of the following SQL statements: SELECT COUNT(") FROM Enrollments WHERE enrollment_date >= '2023-01-01'; Select one: Oa. Number of enrollments after January 1, 2023 b. Total number of students c. Total number of enrollments d. No output