A quiz team of 5 students is to be formed from 6 students of Grade 11, 5 students of Grade 12 and 4 students of Grade 10. The team must contain at least 2 students from Grade 11 and at least 1 student from Grade 10. How many different teams can be formed?
a) 1630
b) 2121
c) 1690
d) 1110