Which number will replace the question mark (?) in the following series?

98, 91, 84, 89, 70, 85, ?, 77, 42, 61
Divide into two groups (alternate numbers).
98, 84, 70, ?, 42
Pattern: subtract 14 each time
98 − 14 = 84
84 − 14 = 70
70 − 14 = 56
56 − 14 = 42
Missing number = 56