Table:
text: 1985 in Argentine football (Nacional)
Winners knockout
Winners knockout
Home_1st_leg Home_2nd_leg _1st_Leg _2nd_leg Aggregate_
Independiente Ramón Santamarina 3-1 3-2 6-3
Talleres Estudiantes La Plata 1-1 1-3 2-4
Newell`s Old Boys Chacarita Juniors 0-0 2-1 2-1
San Lorenzo Argentinos Juniors 2-2 0-1 2-3
San Martín Estudiantes RC 4-2 0-0 4-2
Boca Juniors Vélez Sársfield 3-2 0-3 3-4
Ferro Carril Oeste Unión 1-0 2-1 3-1

Question: How many knockout victories won in Argentine football (Nacional) in 1985 had an aggregate score of 2-4?

Question: How many home games (second leg) of 1985 in Argentine football (Nacional) had a 1-1 draw under the winning knockout in the first leg?

Question: Among the 1985 Argentinian football (Nacional) winner knockouts, how many return legs are there when Independiente is at home (first leg)?

Question: In 1985 in Argentine football (Nacional), who was in the second leg when Boca Juniors were home winners KO winners (first leg)?