sailing at the 2008 summer olympics - star class 

Statements about this table:
the highest world rank be 1 with the nation be poland (pol) and the lowest rank be 48 with the nation be ireland (irl)
when the united state (usa) be the nation , the world rank be 17 and the birthdate be 1978 - 05 - 11
when the height be 1.90 m and the weight be 97 kg the nation be sweden (swe) with a birthdate of 1969 - 12 - 13
the highest weight in kg be 112 for a person from portugal (por) and the lowest weight in kg be 78 for a player from brazil (bra)
ireland be the nation with the highest rank in sail at the summer olympics
united state be the only nation in which the birthdate of the competitor be in the year 1978
sweden (swe) have the lowest weight of the oldest competitor
the highest weight be the person (s) belonging to australia (aus) and new zealand (nzl) , tie at 110 kg
nation
birth date
height (m)
weight (kg)
world rank
australia (aus)
1958 - 04 - 14
1.83
110
9
australia (aus)
1967 - 01 - 26
1.93
96
9
austria (aut)
1965 - 03 - 01
1.80
90
-
austria (aut)
1976 - 05 - 26
1.90
108
-
brazil (bra)
1973 - 04 - 15
1.88
78
6
brazil (bra)
1971 - 07 - 31
1.85
100
6
china (chn)
1969 - 09 - 29
1.85
85
-
china (chn)
1988 - 11 - 09
1.90
100
-
croatia (cro)
1973 - 06 - 16
1.86
100
11
croatia (cro)
1983 - 10 - 16
1.75
100
11
france (fra)
1968 - 07 - 01
1.88
100
8
nation
birth date
height (m)
weight (kg)
world rank
france (fra)
1972 - 04 - 14
1.94
100
8
great britain (gbr)
1976 - 03 - 21
1.85
92
12
great britain (gbr)
1976 - 12 - 17
1.85
104
12
germany (ger)
1971 - 12 - 12
1.96
102
10
germany (ger)
1971 - 10 - 02
1.85
83
10
ireland (irl)
1983 - 03 - 29
1.88
88
48
ireland (irl)
1985 - 07 - 25
1.90
105
48
italy (ita)
1971 - 04 - 16
1.82
92
4
italy (ita)
1978 - 11 - 05
1.94
103
4
new zealand (nzl)
1971 - 05 - 13
1.76
82
5
new zealand (nzl)
1981 - 06 - 09
1.95
110
5
nation
birth date
height (m)
weight (kg)
world rank
poland (pol)
1975 - 04 - 29
1.93
100
1
poland (pol)
1974 - 02 - 15
-
-
1
portugal (por)
1969 - 07 - 29
1.74
83
7
portugal (por)
1980 - 07 - 17
1.92
112
7
switzerland (sui)
1978 - 02 - 07
1.91
100
2
switzerland (sui)
1976 - 12 - 20
1.90
99
2
sweden (swe)
1969 - 12 - 13
1.90
97
3
sweden (swe)
1981 - 01 - 16
1.81
102
3
united states (usa)
1950 - 07 - 15
1.91
99
17
united states (usa)
1978 - 05 - 11
1.85
102
17